cited page for research paper

MLA Citation Guide (9th edition) : Works Cited and Sample Papers

• Getting Started
• How do I Cite?
• In-Text Citations
• Works Cited and Sample Papers
• Additional Resources

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Quick Rules for an MLA Works Cited List

Your research paper ends with a list of all the sources cited in your paper. Here are some quick rules for this Works Cited list:

• Begin the works cited list on a new page after the text.
• Name it "Works Cited," and center the section label in bold at the top of the page.
• Order the reference list alphabetically by author's last name.
• Double-space the entire list (both within and between entries).
• Apply a hanging indent of 0.5 in. to each entry. This means that the first line of the reference is flush left and subsequent lines are indented 0.5 in. from the left margin.

Sample Paper with Works Cited List

The Modern Language Association (MLA) has compiled  several sample papers  that include explanations of the elements and formatting in MLA 9th edition. 

MLA Title Pages

MLA Title Page: Format and Template   This resource discusses the correct format for title pages in MLA style and includes examples.

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Table of Contents

Collaboration, information literacy, writing process, formatting the works cited page (mla).

• CC BY-NC-ND 4.0 by Jennifer Janechek - IBM Quantum

Whenever you incorporate outside sources into your own writing, you must provide both in-text citations (within the body of the paper) and full citations (in the Works Cited page). The in-text citations point your reader toward the full citations in the Works Cited page.

That’s why the first bit of information in your in-text citation (generally, the author’s name; if no name is provided, the title of the article/book/webpage) should directly match up with the beginning of your Works Cited entry for that source. For further information about in-text citations, please read “ Formatting In-Text Citations .”

For example, let’s say I have a quote from Benedict Anderson’s Imagined Communities in my research paper. Within the body of the paper, following the quote, I include the following in-text citation: (Anderson 56). This information points to the book’s entry in my Works Cited page:

Anderson, Benedict. Imagined Communities: Reflections on the Origin and Spread of Nationalism . London: Verso, 2006. Print.

When your reader sees the in-text citation in your essay, they may decide that the source might be valuable for their own research. When they look at the Works Cited page, they can easily locate the source (because the Works Cited page is alphabetized and because they have the in-text citation as their referent) and then can use the full citation to retrieve a copy of the source for their own research. But aside from providing the reader with resources for their own research, the Works Cited page serves another function: it establishes the writer’s credibility. If a writer fails to include in-text citations and/or a Works Cited page, that writer has plagiarized because he or she has neglected to provide the publication information of the source. In addition, when a reader locates undocumented information in an essay, they will likely think that the information was made up by the writer or that the information was stolen from a source, or plagiarized. And when a reader peruses a writer’s Works Cited page, they can see the types of sources used by the writer, assessing those sources in terms of their credibility. For instance, if a reader reads my Works Cited page and sees I cite sources from university presses such as Oxford UP and Cambridge UP, they will know that I’ve incorporated credible sources into my research paper. Thus, including both in-text citations and a Works Cited page in a research paper provides the writer with ethos, or credibility.

Now let’s take a look at how to properly format a Works Cited page according to MLA guidelines:

According to MLA style guidelines, the Works Cited page should appear after the body of your paper and any accompanying endnotes. It should begin on a new page, and the pagination should continue from the body of the paper. In the above example, the Works Cited page begins on page 38, which means that the essay concluded on page 37.

General format

The Works Cited page should be double-spaced throughout. The first line of each entry should be flush with the left margin; if the entry extends more than one line, ensuing lines should be indented 1/2 inch from the left margin. The first page of the Works Cited list should have the title “Works Cited,” not “Bibliography.” The Works Cited title should appear in the same manner as the paper’s title: capitalized and centered—not bolded, within quotation marks, italicized, underlined, or in a larger font.

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The complete guide to mla & citations, what you’ll find in this guide.

This page provides an in-depth overview of MLA format. It includes information related to MLA citations, plagiarism, proper formatting for in-text and regular citations, and examples of citations for many different types of sources.

Looking for APA? Check out the Citation Machine’s guide on APA format . We also have resources for Chicago citation style as well.

How to be a responsible researcher or scholar

Putting together a research project involves searching for information, disseminating and analyzing information, collecting information, and repurposing information. Being a responsible researcher requires keeping track of the sources that were used to help develop your research project, sharing the information you borrowed in an ethical way, and giving credit to the authors of the sources you used. Doing all of these things prevents plagiarism.

What is Plagiarism?

Plagiarism is the act of using others’ information without giving credit or acknowledging them. There are many examples of plagiarism. Completely copying another individual’s work without providing credit to the original author is a very blatant example of plagiarism. Plagiarism also occurs when another individual’s idea or concept is passed off as your own. Changing or modifying quotes, text, or any work of another individual is also plagiarism. Believe it or not, you can even plagiarize yourself! Reusing a project or paper from another class or time and saying that it’s new is plagiarism. One way to prevent plagiarism is to add citations in your project where appropriate.

What is a Citation?

A citation shows the reader of your project where you found your information. Citations are included in the body of a project when you add a quote to your project. Citations are also included in the body when you’re paraphrasing another individual’s information. These citations in the body of a research paper are called in-text citations. They are found directly next to the information that was borrowed and are very brief to avoid causing distraction while reading a project. These brief citations include the last name of the author and a page number. Scroll down for an in-depth explanation and examples of MLA in-text citations.

In-text citations provide us with a brief idea as to where you found your information, though they usually don't include the title and other components. Look on the last page of a research project to find complete citations.

Complete citations are found on what MLA calls a works-cited list, which is sometimes called an MLA bibliography. All sources that were used to develop a research project are found on the works-cited list. Complete citations are also created for any quotes or paraphrased information used in the text. Complete citations include the author’s name, the title, publisher, year published, page numbers, URLs, and a few other pieces of information.

Looking to create your citations in just a few clicks? Need an MLA format website or book citation? Visit Citation Machine.net! Our Citation Machine MLA generator, which is an MLA citation website, will create all of your citations in just a few clicks. Click here to see more styles .

Why Does it Matter?

Citing your sources is an extremely important component of your research project. It shows that you’re a responsible researcher and that you located appropriate and reputable sources that support your thesis or claim. In addition, if your work ends up being posted online or in print, there is a chance that others will use your research project in their own work!

Scroll down to find directions on how to create citations.

How the Modern Language Association Helps You Become a Responsible Researcher

What is mla format.

The Modern Language Association is an organization that was created to develop guidelines on everything language and literature related. They have guidelines on proper grammar usage and research paper layouts. In addition, they have English and foreign language committees, numerous books and journal publications, and an annual conference. They are not connected with this guide, but the information here reflects the association’s rules for formatting papers and citations.

What are citations?

The Modern Language Association is responsible for creating standards and guidelines on how to properly cite sources to prevent plagiarism. Their style is most often used when writing papers and citing sources in the liberal arts and humanities fields. “Liberal arts” is a broad term used to describe a range of subjects including the humanities, formal sciences such as mathematics and statistics, natural sciences such as biology and astronomy, and social sciences such as geography, economics, history, and others. The humanities focuses specifically on subjects related to languages, art, philosophy, religion, music, theater, literature, and ethics.

Believe it or not, there are thousands of other types of citation styles. While this citation style is most often used for the liberal arts and humanities fields, many other subjects, professors, and schools prefer citations and papers to be styled in MLA format.

What’s the difference between a bibliography and a works-cited list?

Great question. The two terms cause a lot of confusion and are consistently misused not only by students but educators as well! Let’s start with what the two words mean.

A bibliography displays the sources the writer used to gain background knowledge on the topic and also research it in-depth. Before starting a research project, you might read up on the topic in websites, books, and other sources. You might even dive a bit deeper to find more information elsewhere. All of these sources you used to help you learn about the topic would go in an MLA format bibliography. You might even include other sources that relate to the topic.

A works-cited list displays all of the sources that were mentioned in the writing of the actual paper or project. If a quote was taken from a source and placed into a research paper, then the full citation goes on the works-cited list.

Both the works-cited list and bibliography go at the end of a paper. Most teachers do not expect students to hand in both a bibliography AND a works-cited list. Teachers generally expect to see a works-cited list, but sometimes erroneously call it a bibliography. If you’re not sure what your teacher expects, a page in MLA bibliography format, a works-cited list, or both, ask for guidance.

Why do we use this MLA style?

These specific guidelines and standards for creating citations were developed for numerous reasons. When scholars and researchers in literature, language, and numerous other fields all cite their sources in the same manner, it makes it easier for readers to look at a citation and understand the different components of a source. By looking at an MLA citation, we can see who the author is, the title of the source, when it was published, and other identifiable pieces of information.

Imagine how difficult it would be to understand the various components of a source if we didn’t all follow the same guidelines! Not only would it make it difficult to understand the source that was used, but it would also make it difficult for readers to locate it themselves. This streamlined process aides us in understanding a researcher’s sources.

How is the new version different than previous versions?

This citation style has changed dramatically over the past couple of years. The MLA Handbook is currently in its 9th edition.

The new version expands upon standards previously set in the 8th edition of the MLA Handbook, including the core elements. The structure of citations remains the same, but some formatting guidance and terminology have changed.

• DOI numbers are now formatted as https://doi.org/xx.xxxx/xxx.xxxx.xxxx
• Seasons in publishing daters are lowercased: spring 2020
• The term “optional elements” is now “supplemental elements”
• “Narrative in-text citations” are called “citations in prose”

In addition, new information was added on the following:

• Hundreds of works-cited-list entries
• MLA formatting for papers
• Punctuation, spelling, and other mechanics of prose
• Chapter on inclusive language
• Notes (bibliographic and content)

For more information on MLA 9, click here .

A Deeper Look at Citations

What do they look like.

There are two types of citations. The first is a full, or complete, citation. These are found at the end of research projects. These citations are usually listed in alphabetical order by the author’s last names and include all of the information necessary for readers to be able to locate the source themselves.

Full citations are generally placed in this MLA citation format:

%%Last name of the author, First name of the author. “Source’s Title.” Container’s Title, roles and names of any other individuals who helped contribute to the source, the version of the source, any numbers associated with the source, the name of the publisher, the date the source was published, the location where individuals can find the source themselves (usually a DOI, URL, or page range).

There are times when additional information is added into the full citation.

Not sure how to transfer the information from your source into your citation? Confused about the term, “containers”? See below for information and complete explanations of each citation component.

The second type of citation, called an “in-text citation,” is included in the main part, or body, of a project when a researcher uses a quote or paraphrases information from another source. See the next section to find out how to create in-text citations.

What are in-text citations?

As stated above, in-text citations are included in the main part of a project when using a quote or paraphrasing a piece of information from another source. We include these types of citations in the body of a project for readers to quickly gain an idea as to where we found the information.

These in-text citations are found directly next to the quote or paraphrased information. They contain a small tidbit of the information found in the regular MLA citation. The regular, or complete, citation is located at the end of a project, on the works-cited list.

Here’s what a typical in-text citation looks like:

In the book The Joy Luck Club, the mother uses a vast amount of Chinese wisdom to explain the world and people’s temperaments. She states, “Each person is made of five elements…. Too much fire and you have a bad temper...too little wood and you bent too quickly...too much water and you flowed in too many directions” (Tan 31).

This specific in text citation, (Tan 31), is called an MLA parenthetical citation because the author’s name is in parentheses. It’s included so the reader sees that we are quoting something from page 31 in Tan’s book. The complete, regular citation isn’t included in the main part of the project because it would be too distracting for the reader. We want the reader to focus on our work and research, not get caught up on our sources.

Here’s another way to cite in the text:

In Tan’s novel The Joy Luck Club, the mother uses a vast amount of Chinese wisdom to explain the world and people’s temperaments. She states, “Each person is made of five elements... Too much fire and you have a bad temper... too little wood and you bent too quickly... too much water and you flowed in too many directions" (31).

If the reader would like to see the source’s full information, and possibly locate the source themselves, they can refer to the last part of the project to find the regular citation.

The regular citation, at the end of the project looks like this:

%%Tan, Amy. The Joy Luck Club. Penguin, 1989, p. 31.

Notice that the first word in the full citation (Tan) matches the “Tan” used in the body of the project. It’s important to have the first word of the full citation match the term used in the text. Why? It allows readers to easily find the full citation on the works-cited list.

If your direct quote or paraphrase comes from a source that does not have page numbers, it is acceptable to place a line number (use line or lines), paragraph number (use the abbreviation par. or pars.), sections (sec. or secs.), or chapters (ch. or chs.). Only use these other terms if they are actually labeled on the source. If it specifically says on the source, “Section 1,” for example, then it is acceptable to use “sec. 1” in the in-text citation.

If there are no numbers to help readers locate the exact point in the source, only include the author’s last name.

To determine how to create in-text citations for more than one author, no authors, or corporate authors, refer to the “Authors” section below.

More about quotations and how to cite a quote:

• Use quotes from outside sources to help illustrate and expand on your own points. The majority of your paper should be your own writing and ideas.
• Include the quote exactly as you found it. It is okay to use only certain words or phrases from the quote, but keep the words (spelling and capitalization) and punctuation the same.
• It is acceptable to break up a direct quote with your own writing.

Example from a movie:

Dorothy stated, "Toto," then looked up and took in her surroundings, "I’ve a feeling we’re not in Kansas anymore" ( Wizard of Oz ).

• The entire paper should be double-spaced, including quotes.
• If the quote is longer than four lines, it is necessary to make a block quote. Block quotes show the reader that they are about to read a lengthy amount of text from another source.
• Start the quote on the next line, half an inch from the left margin.
• Do not use any indents at the beginning of the block quote.
• Only use quotation marks if there are quotation marks present in the source.
• If there is more than one paragraph in the block quote, indent the beginning of the paragraphs after the first one an additional half an inch from the left margin.
• Add your in-text citation after the final period of the block quote. Do not add an additional period after the parenthetical citation.

While his parents sat there in surprise, Colton went onto say:

“Cause I could see you,” Colon said matter-of-factly. “I went up and out of my body and I was looking down and I could see the doctor working on my body. And I saw you and Mommy. You were in a little room by yourself, praying; and Mommy was in a different room, and she was praying and talking on the phone.” (Burpo xxi)

How to create a paraphrase:

As stated above, the majority of your paper should be your own writing and ideas. It’s acceptable to include quotes, but they shouldn’t crowd your paper. If you’re finding that you’re using too many quotes in your paper, consider adding paraphrases. When you reiterate a piece of information from an outside source in your own words, you create a paraphrase.

Here’s an example:

Readers discover in the very first sentence of Peter Pan that he doesn’t grow up (Barrie 1).

What paraphrases are:

• Recycled information in the paper writer’s own words and writing style.
• They’re still references! Include an in-text citation next to the paraphrased information.

What paraphrases are not:

• A copy and pasted sentence with a few words substituted for synonyms.

Confused about whether footnotes and endnotes should be used?

Footnotes and endnotes are completely acceptable to use in this style. Use a footnote or endnote if:

• Adding additional information will help the reader understand the content. This is called a content note .
• You need to cite numerous sources in one small section of your writing. Instead of clogging up a small paragraph with in-text citations (which could cause confusion for the reader), include a footnote or endnote. This is called a bibliographic note .

Keep in mind that whether you choose to include in-text citations or footnotes/endnotes, you need to also include a full reference on the MLA format works-cited list.

Content note example:

Even Maurice Sendak’s work (the mastermind behind Where the Wild Things Are and numerous other popular children’s picture books) can be found on the banned books list. It seems as though nobody is granted immunity. 1

• In the Night Kitchen ’s main character is nude on numerous pages. Problematic for most is not the nudity of the behind, but the frontal nudity.

Work Cited:

%%Sendak, Maurice. In The Night Kitchen. Harper Collins, 1996.

Bibliographic note example:

Dahl had a difficult childhood. Both his father and sister passed away when he was a toddler. He was then sent away by his mother to boarding school (de Castella). 1

• Numerous books, such as Matilda, James and the Giant Peach, and The BFG, all feature characters with absent or difficult parents.

MLA Works Cited:

Include 4 full citations for: de Castella’s article, Matilda, James and the Giant Peach, and The BFG .

Don’t forget to create full, or regular citations, and place them at the end of your project.

If you need help with in-text and parenthetical citations, CitationMachine.net can help. Our MLA citation generator is simple and easy to use!

Common Knowledge: What Is It and How Will It Affect My Writing?

Footnotes, endnotes, references, proper structuring. We know it’s a lot. Thankfully, you don’t have to include a reference for EVERY piece of information you add to your paper. You can forget about including a reference when you share a piece of common knowledge.

Common knowledge is information that most people know. For example, these are a few facts that are considered common knowledge:

• The Statue of Liberty is located in New York City
• Tokyo is the capital of Japan
• Romeo and Juliet is a play written by William Shakespeare
• English is the language most people speak in England
• An elephant is an animal

We could go on and on. When you include common knowledge in your paper, omit a reference. One less thing to worry about, right?

Before you start adding tons of common knowledge occurrences to your paper to ease the burden of creating references, we need to stop you right there. Remember, the goal of a research paper is to develop new information or knowledge. You’re expected to seek out information from outside sources and analyze and distribute the information from those sources to form new ideas. Using only common knowledge facts in your writing involves absolutely zero research. It’s okay to include some common knowledge facts here and there, but do not make it the core of your paper.

If you’re unsure if the fact you’re including is common knowledge or not, it doesn’t hurt to include a reference. There is no such thing as being overly responsible when it comes to writing and citing.

Wikipedia - Yay or Nay?

If you’re wondering whether it’s okay to use Wikipedia in your project, the answer is, it depends.

If Wikipedia is your go-to source for quick information on a topic, you’re not alone. Chances are, it’s one of the first websites to appear on your results page. It’s used by tons of people, it’s easily accessible, and it contains millions of concise articles. So, you’re probably wondering, “What’s the problem?”

The issue with Wikipedia is that it’s a user-generated site, meaning information is constantly added and modified by registered users. Who these users are and their expertise is somewhat of a mystery. The truth is anyone can register on the site and make changes to articles.

Knowing this makes some cringe, especially educators and librarians, since the validity of the information is questionable. However, some people argue that because Wikipedia is a user-generated site, the community of registered users serve as “watchdogs,” ensuring that information is valid. In addition, references are included at the bottom of each article and serve as proof of credibility. Furthermore, Wikipedia lets readers know when there’s a problem with an article. Warnings such as “this article needs clarification,” or “this article needs references to prove its validity” are shared with the reader, thus promoting transparency.

If you choose to reference a Wikipedia article in your research project, and your teacher or professor says it’s okay, then you must reference it in your project. You would treat it just as you would with any other web source.

However, you may want to instead consider locating the original source of the information. This should be fairly easy to do thanks to the references at the bottom of each article.

Specific Components of a Citation

This section explains each individual component of the citation, with examples for each section for full citations and in-text citations.

Name of the author

The author’s name is usually the first item listed in the MLA citation. Author names start with the last name, then a comma is added, and then the author’s first name (and middle name if applicable) is at the end. A period closes this information.

Here are two examples of how an author’s name can be listed in a full citation:

Twain, Mark.

Poe, Edgar Allan.

For in-text:

(Author’s Last name page number) or Author’s Last name... (page).

Wondering how to format the author’s name when there are two authors working jointly on a source? When there are two authors that work together on a source, the author names are placed in the order in which they appear on the source. Place their names in this format:

Author 1’s Last Name, First name, and Author 2’s First Name Last Name.

Here are two examples of how to cite two authors:

Clifton, Mark, and Frank Riley.

Paxton, Roberta J., and Michael Jacob Fox.

(Author 1’s Last name and Author 2’s Last name page number) or Author 1’s Last name and Author 2’s Last name... (page).

There are many times when three or more authors work together on a source. This often happens with journal articles, edited books, and textbooks.

To cite a source with three or more authors, place the information in this format:

Author 1’s Last name, First name, et al.

As you can see, only include the first author’s name. The other authors are accounted for by using “et al.” In Latin, et al. is translated to “and others.” If using the Citation Machine citation generator, this abbreviation is automatically added for you.

Here’s an example of a citation for three or more authors:

%%Warner, Ralph, et al. How to Buy a House in California. Edited by Alayna Schroeder, 12th ed., Nolo, 2009.

(Author 1’s Last name et al. page number)

Is there no author listed on your source? If so, exclude the author’s information from the citation and begin the citation with the title of the source.

For in-text: Use the title of the source in parentheses. Place the title in italics if the source stands alone. Books and films stand alone. If it’s part of a larger whole, such as a chapter in an edited book or an article on a website, place the title in quotation marks without italics.

( Back to the Future )

(“Citing And Writing”)

Other in-text structures:

Authors with the same last name in your paper? MLA essay format requires the use of first initials in-text in this scenario.

Ex: (J. Silver 45)

Are you citing more than one source by the same author? For example, two books by Ernest Hemingway? Include the title in-text.

Example: (Hemingway, For Whom The Bell Tolls 12).

Are you citing a film or song? Include a timestamp in the format of hours:minutes:seconds. ( Back to the Future 00:23:86)

Was the source found on social media, such as a tweet, Reddit, or Instagram post? If this is the case, in an MLA format paper, you are allowed to start the citation with the author’s handle, username, or screen name.

Here is an example of how to cite a tweet:

%%@CarlaHayden. “I’m so honored to talk about digital access at @UMBCHumanities. We want to share the @libraryofcongress collection.” Twitter , 13 Apr. 2017, 6:04 p.m., twitter.com/LibnOfCongress/status/852643691802091521.

While most citations begin with the name of the author, they do not necessarily have to. Quite often, sources are compiled by editors. Or, your source may be done by a performer or composer. If your project focuses on someone other than the author, it is acceptable to place that person’s name first in the citation. If you’re using the MLA works cited generator at Citation Machine.net, you can choose the individual’s role from a drop-down box.

For example, let’s say that in your research project, you focus on Leonardo DiCaprio’s performances as an actor. You’re quoting a line from the movie Titanic in your project, and you’re creating a complete citation for it in the works-cited list.

It is acceptable to show the reader that you’re focusing on Leonardo DiCaprio’s work by citing it like this in the MLA works-cited list:

%%DiCaprio, Leonardo, performer. Titanic . Directed by James Cameron. Paramount, 1997.

Notice that when citing an individual other than the author, place the individual’s role after their name. In this case, Leonardo DiCaprio is the performer.

This is often done with edited books, too. Place the editor’s name first (in reverse order), add a comma, and then add the word editor.

If you’re still confused about how to place the authors together in a citation, the tools at CitationMachine.net can help! Our website is easy to use and will create your citations in just a few clicks!

Titles and containers

The titles are written as they are found on the source and in title form, meaning the important words start with a capital.

Here’s an example of a properly written title:

Practical Digital Libraries: Books, Bytes, and Bucks.

Wondering whether to place your title in italics or quotation marks? It depends on whether the source sits by itself or not. If the source stands alone, meaning that it is an independent source, place the title in italics. If the title is part of a larger whole, place the title of the source in quotation marks and the source it is from in italics.

When citing full books, movies, websites, or albums in their entirety, these titles are written in italics.

However, when citing part of a source, such as an article on a website, a chapter in a book, a song on an album, or an article in a scholarly journal, the part is written with quotation marks and then the titles of the sources that they are found in are written in italics.

Here are some examples to help you understand how to format titles and their containers.

To cite Pink Floyd’s entire album, The Wall , cite it as:

%%Pink Floyd. The Wall. Columbia, 1979.

To cite one of the songs on Pink Floyd’s album in MLA formatting, cite it as:

%%Pink Floyd. “Another Brick in the Wall (Part I).” The Wall, Columbia, 1979, track 3.

To cite a fairy tale book in its entirety, cite it as:

%%Colfer, Chris. The Land of Stories. Little Brown, 2016.

To cite a specific story or chapter in the book, cite it as:

%%Colfer, Chris. “Little Red Riding Hood.” The Land of Stories, Little Brown, 2016, pp. 58-65.

More about containers

From the section above, you can see that titles can stand alone, or they can sit in a container. Many times, sources can sit in more than one container. Wondering how? When citing an article in a scholarly journal, the first container is the journal. The second container? It’s the database that the scholarly journal is found in. It is important to account for all containers, so readers are able to locate the exact source themselves.

When citing a television episode, the first container is the name of the show and the second container is the name of the service that it could be streaming on, such as Netflix .

If your source sits in more than one container, the information about the second container is found at the end of the citation.

Use the following format to cite your source with multiple containers :

%%Last name of the author, First name of the author. “Source’s Title.” Container’s Title, roles and names of any other individuals who helped contribute to the source, the version of the source, any numbers associated with the source, the name of the publisher, the date the source was published, the location where individuals can find the source themselves (usually a URL or page range). Title of Second Container, roles and names of any other contributors, the version of the second container, any numbers associated with the second container, the name of the second container’s publisher, the date the second container was published, location.

If the source has more than two containers, add on another full section at the end for each container.

Not all of the fields in the citation format above need to be included in your citation. In fact, many of these fields will most likely be omitted from your citations. Only include the elements that will help your readers locate the source themselves.

Here is an example of a citation for a scholarly journal article found in a database. This source has two containers: the journal itself is one container, and the site it sits on is the other.

%%Zanetti, Francois. “Curing with Machine: Medical Electricity in Eighteenth-Century Paris.” Technology and Culture, vol. 54, no. 3, July 2013, pp. 503-530. Project Muse, muse.jhu.edu/article/520280.

If you’re still confused about containers, the Citation Machine MLA cite generator can help! MLA citing is easier when using the tools at CitationMachine.net.

Other contributors

Many sources have people besides the author who contribute to the source. If your research project focuses on an additional individual besides the author, or you feel as though including other contributors will help the reader locate the source themselves, include their names in the citation.

To include another individual in the citation, after the title, place the role of the individual, the word “by,” and then their name in standard order.

If the name of the contributor comes after a period, capitalize the first letter in the role of the individual. If it comes after a comma, the first letter in the role of the individual is lowercased.

Here’s an example of a citation for a children’s book with the name of the illustrator included:

%%Rubin, Adam. Dragons Love Tacos. Illustrated by Daniel Salmieri, Penguin, 2012.

The names of editors, directors, performers, translators, illustrators, and narrators can often be found in this part of the citation.

If the source that you’re citing states that it is a specific version or edition, this information is placed in the “versions” section of the citation.

When including a numbered edition, do not type out the number, use the numeral. Also, abbreviate the word “edition” to “ed.”

Here is an example of a citation with a specific edition:

%%Koger, Gregory. “Filibustering and Parties in the Modern State.” Congress Reconsidered, edited by Lawrence C. Dodd and Bruce I. Oppenheimer, 10th ed., CQ Press, 2013, pp. 221-236. Google Books, books.google.com/books?id=b7gkLlSEeqwC&lpg=PP1&dq=10th%20edition&pg=PR6#v=onepage&q=10th%20edition&f=false.

Many sources have numbers associated with them. If you see a number different than the date, page numbers, or editions, include this information in the “numbers” section of the citation. For MLA citing, this includes volume and/or issue numbers (use the abbreviations vol. and no.), episode numbers, track numbers, or any other numbers that will help readers identify the specific source that you used. Do not include ISBN (International Standard Book Numbers) in the citation.

It is important to include the name of the publisher (the organization that created or published the source), so that readers can locate the exact source themselves.

Include publishers for all sources except periodicals. Also, for websites, exclude this information when the name of the publisher matches the name of the website. Furthermore, the name of the publisher is often excluded from the citation for second containers, since the publisher of the second container is not necessarily responsible for the creation or production of the source’s content.

Publication dates

Publication dates are extremely important to include in citations. They allow the reader to understand when sources were published. They are also used when readers are attempting to locate the source themselves.

Dates can be written in MLA in one of two ways. Researchers can write dates as:

Day Mo. Year

Mo. Day, Year

Whichever format you decide to use, use the same format for all of your citations. If using the Citation Machine citation generator, the date will be formatted in the same way for each citation.

While it isn’t necessary to include the full date for all source citations, use the amount of information that makes the most sense to help your readers understand and locate the source themselves.

Wondering what to do when your source has more than one date? Use the date that is most applicable to your research.

The location generally refers to the place where the readers can find the source. This includes page ranges, URLs, DOI numbers, track numbers, disc numbers, or even cities and towns.

You can usually leave out http:// or https:// from URLs unless you want to hyperlink them. For DOIs, use http:// or https:// before the DOI: https://doi.org/xx.xxxx/xxx.xxxx.xxxx .

For page numbers, when citing a source found on only one page, use p.

Example: p. 6.

When citing a source that has a page range, use pp. and then add the page numbers.

Example: pp. 24-38.

Since the location is the final piece of the citation, place a period at the end. When it comes to URLs, many students wonder if the links in citations should be live or not. If the paper is being shared electronically with a teacher and other readers, it may be helpful to include live links. If you’re not sure whether to include live links or not, ask your teacher or professor for guidance.

Looking for an online tool to do the work for you? Citation Machine citing tools could help! Our site is simple (and fun!) to use.

Need some more help? There is further good information here .

Common Citation Examples

ALL sources use this format:

%%Last name of the author, First name of the author. “Source’s Title.” Container’s Title, roles and names of any other individuals who helped contribute to the source, the version of the source, any numbers associated with the source, the name of the publisher, the date the source was published, the location where individuals can find the source themselves (usually a URL or page range). *Title of Second Container, roles and names of any other contributors, the version of the second container, any numbers associated with the second container, the name of the second container’s publisher, the date the second container was published, location.

*If the source does not have a second container, omit this last part of the citation.

Remember, the Citation Machine MLA formatter can help you save time and energy when creating your citations. Check out our MLA Citation Machine pages to learn more.

• Journal Articles

How to Format a Paper

When it comes to formatting your paper or essay for academic purposes, there are specific MLA paper format guidelines to follow.

• Use paper that is 8½-by-11 inch in size. This is the standard size for copier and printer paper.
• Use high quality paper.
• Your research paper or essay should have a one-inch margin on the top, bottom, left, and right sides of the paper.
• While most word processors automatically format your paper to have one-inch margins, you can check or modify the margins of your paper by going to the “Page setup” section of your word processor.

Which font is acceptable to use?

• Use an easily readable font, specifically one that allows readers to see the difference between regular and italicized letters.
• Times New Roman, Arial, and Helvetica are recommended options.
• Use 12-point size font.

Should I double-space the paper, including citations?

• Double-space the entire paper.
• There should be a double space between each piece of information in the heading.
• Place a double space between the heading and the title.
• Place a double space between the title and the beginning of the essay.
• The works-cited list should be double-spaced as well. All citations are double-spaced.

Justification & Punctuation

• Text should be left-justified, meaning that the text is aligned, or flush, against the left margin.
• Indents signal to the reader that a new concept or idea is about to begin.
• Use the “tab” button on your keyboard to create an indent.
• Add one space after all punctuation marks.

Heading & Title

• Include a proper heading and title
• The heading should include the following, on separate lines, starting one inch from the top and left margins:
• Your full name
• Your teacher or professor’s name
• The course number
• Dates in the heading and the body of your essay should be consistent. Use the same format, either Day Month Year or Month Day, Year throughout the entire paper
• Examples: 27 July 2017 or July 27, 2017
• The title should be underneath the heading, centered in the middle of the page, without bold, underlined, italicized, or all capital letters.

Page numbers

• Number all pages, including the very first page and the works-cited list.
• Place page numbers in the top right corner, half an inch from the top margin and one inch from the right margin.
• Include your last name to the left of the page number. Example: Jacobson 4

Here’s an example to provide you with a visual:

If you need help with sentence structure or grammar, check out our paper checker. The paper checker will help to check every noun , verb , and adjective . If there are words that are misspelled or out of place, the paper checker will suggest edits and provide recommendations.

• If a citation flows onto the second line, indent it in half an inch from the left margin (called a “hanging indent”).
• For more information on the works-cited list, refer to “How to Make a Works Cited Page,” which is found below.

How to Create a Title Page

According to the Modern Language Association’s official guidelines for formatting a research paper, it is unnecessary to create or include an individual title page, or MLA cover page, at the beginning of a research project. Instead, follow the directions above, under “Heading & Title,” to create a proper heading. This heading is featured at the top of the first page of the research paper or research assignment.

If your instructor or professor does in fact require or ask for an MLA title page, follow the directions that you are given. They should provide you with the information needed to create a separate, individual title page. If they do not provide you with instructions, and you are left to create it at your own discretion, use the header information above to help you develop your research paper title page. You may want to include other information, such as the name of your school or university.

How to Make a Works Cited Page

The MLA Works Cited page is generally found at the end of a research paper or project. It contains a list of all the citations of sources used for the research project. Follow these directions to format the works-cited list to match the Modern Language Association’s guidelines.

• The “Works Cited” page has its own page at the end of a research project.
• Include the same running head as the rest of the project (Your last name and then the page number). The “Works Cited” page has the final page number for the project.
• Name the page “Works Cited,” unless your list only includes one citation. In that case, title it in MLA “Work Cited.”
• The title of the page (either “Works Cited” or “Work Cited”) is placed one inch from the top of the page, centered in the middle of the document.
• Double space the entire document, even between the title of the page and the first citation.
• Citations are listed in alphabetical order by the first word in the citation (usually the last name of the author or the first word in the title if the citation does not include the author’s name. Ignore “A,” “An,” and “The” if the title begins with these words.)
• If there are multiple citations by the same author, place them in chronological order by the date published.
• Also, instead of writing the author’s name twice in both citations, use three hyphens.

%%Angelou, Maya. I Know Why the Caged Bird Sings. Random House, 2009.

%%---. Gather Together in My Name. Random House, 1974.

• All citations begin flush against the left margin. If the citation is long and rolls onto a second or third line, indent the lines below the first line half an inch from the left margin. This is called a “hanging indent.” The purpose of a hanging indent is to make the citations easier to read. If you’re using our MLA citation machine, we’ll format each of your references with a hanging indent for you.

%%Wai-Chung, Ho. “Political Influences on Curriculum Content and Musical Meaning: Hong Kong Secondary Music Education, 1949-1997.” Journal of Historical Research in Music Education, vol. 22, no. 1, 1 Oct. 2000, pp. 5-25. Periodicals Index Online, search-proquest-com.i.ezproxy.nypl.org/pio/docview/1297849364/citation/6B70D633F50C4EA0PQ/78?accountid=35635.

• MLA “Works Cited” pages can be longer than one page. Use as many pages as necessary. If you have only one source to cite, do not place the one citation below the text of your paper. In MLA, a “Work Cited” page is still created for that individual citation.

Here’s a sample paper to give you an idea of what an MLA paper could look like. Included at the end is an MLA “Works Cited” page example.

Looking to add a relevant image, figure, table, or musical score to your paper? Here’s the easy way to do it, while following guidelines set forth by the Modern Language Association:

• Place the image, figure, table, or music close to where it’s mentioned in the text.
• Provide source information and any additional notes directly below the image, figure, table, or music.

For tables:

• Label the table as “Table” followed by an arabic numeral such as “1.” Table 1 is the table closest to the beginning of the paper. The next table mentioned in the text would be Table 2, and so on.
• Create a title for the table and place it below the label. Capitalize all important words.
• The label (Table 1) and the title should be flush against the left margin.
• Double-space everything.

• A figure can be a map, photograph, painting, pie chart, or any other type of image.
• Create a label and place it below the figure. The figure first mentioned in the text of the project is either “Figure 1” or “Fig 1.” Though figures are usually abbreviated to “Fig.” Choose one style and use it consistently. The next mentioned figure is “Figure 2” or “Fig. 2.”, and so on.
• Place a caption next to the label. If all of the source information is included in the caption, there isn’t a need to replicate that information in the works-cited list.

MLA Final Checklist

Think you’re through? We know this guide covered a LOT of information, so before you hand in that assignment, here’s a checklist to help you determine if you have everything you need:

_ Are both in-text and full citations included in the project? Remember, for every piece of outside information included in the text, there should be a corresponding in-text citation next to it. Include the full citation at the end, on the “Works Cited” page.

_ Are all citations, both in-text and full, properly formatted in MLA style? If you’re unsure, try out our citation generator!

_ Is your paper double-spaced in its entirety with one inch margins?

_ Do you have a running header on each page? (Your last name followed by the page number)

_ Did you use a font that is easy to read?

_ Are all citations on the MLA format works-cited list in alphabetical order?

Our plagiarism checker scans for any accidental instances of plagiarism. It scans for grammar and spelling errors, too. If you have an adverb , preposition , or conjunction that needs a slight adjustment, we may be able to suggest an edit.

Common Ways Students Accidentally Plagiarize

We spoke a bit about plagiarism at the beginning of this guide. Since you’re a responsible researcher, we’re sure you didn’t purposely plagiarize any portions of your paper. Did you know students and scholars sometimes accidentally plagiarize? Unfortunately, it happens more often than you probably realize. Luckily, there are ways to prevent accidental plagiarism and even some online tools to help!

Here are some common ways students accidentally plagiarize in their research papers and assignments:

1. Poor Paraphrasing

In the “How to create a paraphrase” section towards the top of this page, we share that paraphrases are “recycled information, in the paper writer’s own words and writing style.” If you attempt to paraphrase a few lines of text and it ends up looking and sounding too close to the original author’s words, it’s a poor paraphrase and considered plagiarism.

2. Incorrect Citations

If you cite something incorrectly, even if it’s done accidentally, it’s plagiarism. Any incorrect information in a reference, such as the wrong author name or the incorrect title, results in plagiarism.

3. Forgetting to include quotation marks

When you include a quote in your paper, you must place quotation marks around it. Failing to do so results in plagiarism.

If you’re worried about accidental plagiarism, try our Citation Machine Plus essay tool. It scans for grammar, but it also checks for any instances of accidental plagiarism. It’s simple and user-friendly, making it a great choice for stress-free paper editing and publishing.

Updated June 15, 2021

Written and edited by Michele Kirschenbaum and Wendy Ikemoto. Michele Kirschenbaum has been an awesome school librarian since 2006 and is an expert in citing sources. Wendy Ikemoto has a master’s degree in library and information science and has been working for Citation Machine since 2012.

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Free MLA Citation Generator

Generate accurate citations in MLA format automatically, with MyBib!

😕 What is an MLA Citation Generator?

An MLA citation generator is a software tool designed to automatically create academic citations in the Modern Language Association (MLA) citation format. The generator will take information such as document titles, author, and URLs as in input, and output fully formatted citations that can be inserted into the Works Cited page of an MLA-compliant academic paper.

The citations on a Works Cited page show the external sources that were used to write the main body of the academic paper, either directly as references and quotes, or indirectly as ideas.

👩‍🎓 Who uses an MLA Citation Generator?

MLA style is most often used by middle school and high school students in preparation for transition to college and further education. Ironically, MLA style is not actually used all that often beyond middle and high school, with APA (American Psychological Association) style being the favored style at colleges across the country.

It is also important at this level to learn why it's critical to cite sources, not just how to cite them.

🙌 Why should I use a Citation Generator?

Writing citations manually is time consuming and error prone. Automating this process with a citation generator is easy, straightforward, and gives accurate results. It's also easier to keep citations organized and in the correct order.

The Works Cited page contributes to the overall grade of a paper, so it is important to produce accurately formatted citations that follow the guidelines in the official MLA Handbook .

⚙️ How do I use MyBib's MLA Citation Generator?

It's super easy to create MLA style citations with our MLA Citation Generator. Scroll back up to the generator at the top of the page and select the type of source you're citing. Books, journal articles, and webpages are all examples of the types of sources our generator can cite automatically. Then either search for the source, or enter the details manually in the citation form.

The generator will produce a formatted MLA citation that can be copied and pasted directly into your document, or saved to MyBib as part of your overall Works Cited page (which can be downloaded fully later!).

MyBib supports the following for MLA style:

Daniel is a qualified librarian, former teacher, and citation expert. He has been contributing to MyBib since 2018.

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Home » How to Cite Research Paper – All Formats and Examples

How to Cite Research Paper – All Formats and Examples

Table of Contents

Research Paper Citation

Research paper citation refers to the act of acknowledging and referencing a previously published work in a scholarly or academic paper . When citing sources, researchers provide information that allows readers to locate the original source, validate the claims or arguments made in the paper, and give credit to the original author(s) for their work.

The citation may include the author’s name, title of the publication, year of publication, publisher, and other relevant details that allow readers to trace the source of the information. Proper citation is a crucial component of academic writing, as it helps to ensure accuracy, credibility, and transparency in research.

How to Cite Research Paper

There are several formats that are used to cite a research paper. Follow the guide for the Citation of a Research Paper:

Last Name, First Name. Title of Book. Publisher, Year of Publication.

Example : Smith, John. The History of the World. Penguin Press, 2010.

Journal Article

Last Name, First Name. “Title of Article.” Title of Journal, vol. Volume Number, no. Issue Number, Year of Publication, pp. Page Numbers.

Example : Johnson, Emma. “The Effects of Climate Change on Agriculture.” Environmental Science Journal, vol. 10, no. 2, 2019, pp. 45-59.

Research Paper

Last Name, First Name. “Title of Paper.” Conference Name, Location, Date of Conference.

Example : Garcia, Maria. “The Importance of Early Childhood Education.” International Conference on Education, Paris, 5-7 June 2018.

Author’s Last Name, First Name. “Title of Webpage.” Website Title, Publisher, Date of Publication, URL.

Example : Smith, John. “The Benefits of Exercise.” Healthline, Healthline Media, 1 March 2022, https://www.healthline.com/health/benefits-of-exercise.

News Article

Last Name, First Name. “Title of Article.” Name of Newspaper, Date of Publication, URL.

Example : Robinson, Sarah. “Biden Announces New Climate Change Policies.” The New York Times, 22 Jan. 2021, https://www.nytimes.com/2021/01/22/climate/biden-climate-change-policies.html.

Author, A. A. (Year of publication). Title of book. Publisher.

Example: Smith, J. (2010). The History of the World. Penguin Press.

Author, A. A., Author, B. B., & Author, C. C. (Year of publication). Title of article. Title of Journal, volume number(issue number), page range.

Example: Johnson, E., Smith, K., & Lee, M. (2019). The Effects of Climate Change on Agriculture. Environmental Science Journal, 10(2), 45-59.

Author, A. A. (Year of publication). Title of paper. In Editor First Initial. Last Name (Ed.), Title of Conference Proceedings (page numbers). Publisher.

Example: Garcia, M. (2018). The Importance of Early Childhood Education. In J. Smith (Ed.), Proceedings from the International Conference on Education (pp. 60-75). Springer.

Author, A. A. (Year, Month Day of publication). Title of webpage. Website name. URL

Example: Smith, J. (2022, March 1). The Benefits of Exercise. Healthline. https://www.healthline.com/health/benefits-of-exercise

Author, A. A. (Year, Month Day of publication). Title of article. Newspaper name. URL.

Example: Robinson, S. (2021, January 22). Biden Announces New Climate Change Policies. The New York Times. https://www.nytimes.com/2021/01/22/climate/biden-climate-change-policies.html

Chicago/Turabian style

Please note that there are two main variations of the Chicago style: the author-date system and the notes and bibliography system. I will provide examples for both systems below.

Author-Date system:

• In-text citation: (Author Last Name Year, Page Number)
• Reference list: Author Last Name, First Name. Year. Title of Book. Place of publication: Publisher.
• In-text citation: (Smith 2005, 28)
• Reference list: Smith, John. 2005. The History of America. New York: Penguin Press.

Notes and Bibliography system:

• Footnote/Endnote citation: Author First Name Last Name, Title of Book (Place of publication: Publisher, Year), Page Number.
• Bibliography citation: Author Last Name, First Name. Title of Book. Place of publication: Publisher, Year.
• Footnote/Endnote citation: John Smith, The History of America (New York: Penguin Press, 2005), 28.
• Bibliography citation: Smith, John. The History of America. New York: Penguin Press, 2005.

JOURNAL ARTICLES:

• Reference list: Author Last Name, First Name. Year. “Article Title.” Journal Title Volume Number (Issue Number): Page Range.
• In-text citation: (Johnson 2010, 45)
• Reference list: Johnson, Mary. 2010. “The Impact of Social Media on Society.” Journal of Communication 60(2): 39-56.
• Footnote/Endnote citation: Author First Name Last Name, “Article Title,” Journal Title Volume Number, Issue Number (Year): Page Range.
• Bibliography citation: Author Last Name, First Name. “Article Title.” Journal Title Volume Number, Issue Number (Year): Page Range.
• Footnote/Endnote citation: Mary Johnson, “The Impact of Social Media on Society,” Journal of Communication 60, no. 2 (2010): 39-56.
• Bibliography citation: Johnson, Mary. “The Impact of Social Media on Society.” Journal of Communication 60, no. 2 (2010): 39-56.

RESEARCH PAPERS:

• Reference list: Author Last Name, First Name. Year. “Title of Paper.” Conference Proceedings Title, Location, Date. Publisher, Page Range.
• In-text citation: (Jones 2015, 12)
• Reference list: Jones, David. 2015. “The Effects of Climate Change on Agriculture.” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015. Springer, 10-20.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Paper,” Conference Proceedings Title, Location, Date (Place of publication: Publisher, Year), Page Range.
• Bibliography citation: Author Last Name, First Name. “Title of Paper.” Conference Proceedings Title, Location, Date. Place of publication: Publisher, Year.
• Footnote/Endnote citation: David Jones, “The Effects of Climate Change on Agriculture,” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015 (New York: Springer, 10-20).
• Bibliography citation: Jones, David. “The Effects of Climate Change on Agriculture.” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015. New York: Springer, 10-20.
• In-text citation: (Author Last Name Year)
• Reference list: Author Last Name, First Name. Year. “Title of Webpage.” Website Name. URL.
• In-text citation: (Smith 2018)
• Reference list: Smith, John. 2018. “The Importance of Recycling.” Environmental News Network. https://www.enn.com/articles/54374-the-importance-of-recycling.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Webpage,” Website Name, URL (accessed Date).
• Bibliography citation: Author Last Name, First Name. “Title of Webpage.” Website Name. URL (accessed Date).
• Footnote/Endnote citation: John Smith, “The Importance of Recycling,” Environmental News Network, https://www.enn.com/articles/54374-the-importance-of-recycling (accessed April 8, 2023).
• Bibliography citation: Smith, John. “The Importance of Recycling.” Environmental News Network. https://www.enn.com/articles/54374-the-importance-of-recycling (accessed April 8, 2023).

NEWS ARTICLES:

• Reference list: Author Last Name, First Name. Year. “Title of Article.” Name of Newspaper, Month Day.
• In-text citation: (Johnson 2022)
• Reference list: Johnson, Mary. 2022. “New Study Finds Link Between Coffee and Longevity.” The New York Times, January 15.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Article,” Name of Newspaper (City), Month Day, Year.
• Bibliography citation: Author Last Name, First Name. “Title of Article.” Name of Newspaper (City), Month Day, Year.
• Footnote/Endnote citation: Mary Johnson, “New Study Finds Link Between Coffee and Longevity,” The New York Times (New York), January 15, 2022.
• Bibliography citation: Johnson, Mary. “New Study Finds Link Between Coffee and Longevity.” The New York Times (New York), January 15, 2022.

Harvard referencing style

Format: Author’s Last name, First initial. (Year of publication). Title of book. Publisher.

Example: Smith, J. (2008). The Art of War. Random House.

Journal article:

Format: Author’s Last name, First initial. (Year of publication). Title of article. Title of journal, volume number(issue number), page range.

Example: Brown, M. (2012). The impact of social media on business communication. Harvard Business Review, 90(12), 85-92.

Research paper:

Format: Author’s Last name, First initial. (Year of publication). Title of paper. In Editor’s First initial. Last name (Ed.), Title of book (page range). Publisher.

Example: Johnson, R. (2015). The effects of climate change on agriculture. In S. Lee (Ed.), Climate Change and Sustainable Development (pp. 45-62). Springer.

Format: Author’s Last name, First initial. (Year, Month Day of publication). Title of page. Website name. URL.

Example: Smith, J. (2017, May 23). The history of the internet. Encyclopedia Britannica. https://www.britannica.com/topic/history-of-the-internet

News article:

Format: Author’s Last name, First initial. (Year, Month Day of publication). Title of article. Title of newspaper, page number (if applicable).

Example: Thompson, E. (2022, January 5). New study finds coffee may lower risk of dementia. The New York Times, A1.

IEEE Format

Author(s). (Year of Publication). Title of Book. Publisher.

Smith, J. K. (2015). The Power of Habit: Why We Do What We Do in Life and Business. Random House.

Journal Article:

Author(s). (Year of Publication). Title of Article. Title of Journal, Volume Number (Issue Number), page numbers.

Johnson, T. J., & Kaye, B. K. (2016). Interactivity and the Future of Journalism. Journalism Studies, 17(2), 228-246.

Author(s). (Year of Publication). Title of Paper. Paper presented at Conference Name, Location.

Jones, L. K., & Brown, M. A. (2018). The Role of Social Media in Political Campaigns. Paper presented at the 2018 International Conference on Social Media and Society, Copenhagen, Denmark.

• Website: Author(s) or Organization Name. (Year of Publication or Last Update). Title of Webpage. Website Name. URL.

Example: National Aeronautics and Space Administration. (2019, August 29). NASA’s Mission to Mars. NASA. https://www.nasa.gov/topics/journeytomars/index.html

• News Article: Author(s). (Year of Publication). Title of Article. Name of News Source. URL.

Example: Johnson, M. (2022, February 16). Climate Change: Is it Too Late to Save the Planet? CNN. https://www.cnn.com/2022/02/16/world/climate-change-planet-scn/index.html

Vancouver Style

In-text citation: Use superscript numbers to cite sources in the text, e.g., “The study conducted by Smith and Johnson^1 found that…”.

Reference list citation: Format: Author(s). Title of book. Edition if any. Place of publication: Publisher; Year of publication.

Example: Smith J, Johnson L. Introduction to Molecular Biology. 2nd ed. New York: Wiley-Blackwell; 2015.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “Several studies have reported that^1,2,3…”.

Reference list citation: Format: Author(s). Title of article. Abbreviated name of journal. Year of publication; Volume number (Issue number): Page range.

Example: Jones S, Patel K, Smith J. The effects of exercise on cardiovascular health. J Cardiol. 2018; 25(2): 78-84.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “Previous research has shown that^1,2,3…”.

Reference list citation: Format: Author(s). Title of paper. In: Editor(s). Title of the conference proceedings. Place of publication: Publisher; Year of publication. Page range.

Example: Johnson L, Smith J. The role of stem cells in tissue regeneration. In: Patel S, ed. Proceedings of the 5th International Conference on Regenerative Medicine. London: Academic Press; 2016. p. 68-73.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “According to the World Health Organization^1…”.

Reference list citation: Format: Author(s). Title of webpage. Name of website. URL [Accessed Date].

Example: World Health Organization. Coronavirus disease (COVID-19) advice for the public. World Health Organization. https://www.who.int/emergencies/disease/novel-coronavirus-2019/advice-for-public [Accessed 3 March 2023].

In-text citation: Use superscript numbers to cite sources in the text, e.g., “According to the New York Times^1…”.

Reference list citation: Format: Author(s). Title of article. Name of newspaper. Year Month Day; Section (if any): Page number.

Example: Jones S. Study shows that sleep is essential for good health. The New York Times. 2022 Jan 12; Health: A8.

Author(s). Title of Book. Edition Number (if it is not the first edition). Publisher: Place of publication, Year of publication.

Example: Smith, J. Chemistry of Natural Products. 3rd ed.; CRC Press: Boca Raton, FL, 2015.

Journal articles:

Author(s). Article Title. Journal Name Year, Volume, Inclusive Pagination.

Example: Garcia, A. M.; Jones, B. A.; Smith, J. R. Selective Synthesis of Alkenes from Alkynes via Catalytic Hydrogenation. J. Am. Chem. Soc. 2019, 141, 10754-10759.

Research papers:

Author(s). Title of Paper. Journal Name Year, Volume, Inclusive Pagination.

Example: Brown, H. D.; Jackson, C. D.; Patel, S. D. A New Approach to Photovoltaic Solar Cells. J. Mater. Chem. 2018, 26, 134-142.

Author(s) (if available). Title of Webpage. Name of Website. URL (accessed Month Day, Year).

Example: National Institutes of Health. Heart Disease and Stroke. National Heart, Lung, and Blood Institute. https://www.nhlbi.nih.gov/health-topics/heart-disease-and-stroke (accessed April 7, 2023).

News articles:

Author(s). Title of Article. Name of News Publication. Date of Publication. URL (accessed Month Day, Year).

Example: Friedman, T. L. The World is Flat. New York Times. April 7, 2023. https://www.nytimes.com/2023/04/07/opinion/world-flat-globalization.html (accessed April 7, 2023).

In AMA Style Format, the citation for a book should include the following information, in this order:

• Title of book (in italics)
• Edition (if applicable)
• Place of publication
• Year of publication

Lodish H, Berk A, Zipursky SL, et al. Molecular Cell Biology. 4th ed. New York, NY: W. H. Freeman; 2000.

In AMA Style Format, the citation for a journal article should include the following information, in this order:

• Title of article
• Abbreviated title of journal (in italics)
• Year of publication; volume number(issue number):page numbers.

Chen H, Huang Y, Li Y, et al. Effects of mindfulness-based stress reduction on depression in adolescents and young adults: a systematic review and meta-analysis. JAMA Netw Open. 2020;3(6):e207081. doi:10.1001/jamanetworkopen.2020.7081

In AMA Style Format, the citation for a research paper should include the following information, in this order:

• Title of paper
• Name of journal or conference proceeding (in italics)
• Volume number(issue number):page numbers.

Bredenoord AL, Kroes HY, Cuppen E, Parker M, van Delden JJ. Disclosure of individual genetic data to research participants: the debate reconsidered. Trends Genet. 2011;27(2):41-47. doi:10.1016/j.tig.2010.11.004

In AMA Style Format, the citation for a website should include the following information, in this order:

• Title of web page or article
• Name of website (in italics)
• Date of publication or last update (if available)
• URL (website address)
• Date of access (month day, year)

Centers for Disease Control and Prevention. How to protect yourself and others. CDC. Published February 11, 2022. Accessed February 14, 2022. https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/prevention.html

In AMA Style Format, the citation for a news article should include the following information, in this order:

• Name of newspaper or news website (in italics)
• Date of publication

Gorman J. Scientists use stem cells from frogs to build first living robots. The New York Times. January 13, 2020. Accessed January 14, 2020. https://www.nytimes.com/2020/01/13/science/living-robots-xenobots.html

Bluebook Format

One author: Daniel J. Solove, The Future of Reputation: Gossip, Rumor, and Privacy on the Internet (Yale University Press 2007).

Two or more authors: Martha Nussbaum and Saul Levmore, eds., The Offensive Internet: Speech, Privacy, and Reputation (Harvard University Press 2010).

Journal article

One author: Daniel J. Solove, “A Taxonomy of Privacy,” University of Pennsylvania Law Review 154, no. 3 (January 2006): 477-560.

Two or more authors: Ethan Katsh and Andrea Schneider, “The Emergence of Online Dispute Resolution,” Journal of Dispute Resolution 2003, no. 1 (2003): 7-19.

One author: Daniel J. Solove, “A Taxonomy of Privacy,” GWU Law School Public Law Research Paper No. 113, 2005.

Two or more authors: Ethan Katsh and Andrea Schneider, “The Emergence of Online Dispute Resolution,” Cyberlaw Research Paper Series Paper No. 00-5, 2000.

WebsiteElectronic Frontier Foundation, “Surveillance Self-Defense,” accessed April 8, 2023, https://ssd.eff.org/.

News article

One author: Mark Sherman, “Court Deals Major Blow to Net Neutrality Rules,” ABC News, January 14, 2014, https://abcnews.go.com/Politics/wireStory/court-deals-major-blow-net-neutrality-rules-21586820.

Two or more authors: Siobhan Hughes and Brent Kendall, “AT&T Wins Approval to Buy Time Warner,” Wall Street Journal, June 12, 2018, https://www.wsj.com/articles/at-t-wins-approval-to-buy-time-warner-1528847249.

In-Text Citation: (Author’s last name Year of Publication: Page Number)

Example: (Smith 2010: 35)

Reference List Citation: Author’s last name First Initial. Title of Book. Edition. Place of publication: Publisher; Year of publication.

Example: Smith J. Biology: A Textbook. 2nd ed. New York: Oxford University Press; 2010.

Example: (Johnson 2014: 27)

Reference List Citation: Author’s last name First Initial. Title of Article. Abbreviated Title of Journal. Year of publication;Volume(Issue):Page Numbers.

Example: Johnson S. The role of dopamine in addiction. J Neurosci. 2014;34(8): 2262-2272.

Example: (Brown 2018: 10)

Reference List Citation: Author’s last name First Initial. Title of Paper. Paper presented at: Name of Conference; Date of Conference; Place of Conference.

Example: Brown R. The impact of social media on mental health. Paper presented at: Annual Meeting of the American Psychological Association; August 2018; San Francisco, CA.

Example: (World Health Organization 2020: para. 2)

Reference List Citation: Author’s last name First Initial. Title of Webpage. Name of Website. URL. Published date. Accessed date.

Example: World Health Organization. Coronavirus disease (COVID-19) pandemic. WHO website. https://www.who.int/emergencies/disease-coronavirus-2019. Updated August 17, 2020. Accessed September 5, 2021.

Example: (Smith 2019: para. 5)

Reference List Citation: Author’s last name First Initial. Title of Article. Title of Newspaper or Magazine. Year of publication; Month Day:Page Numbers.

Example: Smith K. New study finds link between exercise and mental health. The New York Times. 2019;May 20: A6.

Purpose of Research Paper Citation

The purpose of citing sources in a research paper is to give credit to the original authors and acknowledge their contribution to your work. By citing sources, you are also demonstrating the validity and reliability of your research by showing that you have consulted credible and authoritative sources. Citations help readers to locate the original sources that you have referenced and to verify the accuracy and credibility of your research. Additionally, citing sources is important for avoiding plagiarism, which is the act of presenting someone else’s work as your own. Proper citation also shows that you have conducted a thorough literature review and have used the existing research to inform your own work. Overall, citing sources is an essential aspect of academic writing and is necessary for building credibility, demonstrating research skills, and avoiding plagiarism.

Advantages of Research Paper Citation

There are several advantages of research paper citation, including:

• Giving credit: By citing the works of other researchers in your field, you are acknowledging their contribution and giving credit where it is due.
• Strengthening your argument: Citing relevant and reliable sources in your research paper can strengthen your argument and increase its credibility. It shows that you have done your due diligence and considered various perspectives before drawing your conclusions.
• Demonstrating familiarity with the literature : By citing various sources, you are demonstrating your familiarity with the existing literature in your field. This is important as it shows that you are well-informed about the topic and have done a thorough review of the available research.
• Providing a roadmap for further research: By citing relevant sources, you are providing a roadmap for further research on the topic. This can be helpful for future researchers who are interested in exploring the same or related issues.
• Building your own reputation: By citing the works of established researchers in your field, you can build your own reputation as a knowledgeable and informed scholar. This can be particularly helpful if you are early in your career and looking to establish yourself as an expert in your field.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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Welcome to Purdue University's Citation Databases Research Guide

Here you will find...

• Information on citation databases
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Here are some definitions of common terms made use of by citation databases

• Bibliometrics is the statistical analysis of scholarly output like articles, book chapters, and reviews.
• Altmetrics: is the statistical analysis of alternative forms of capture such as twitter impressions of a piece of scholarly output.

Some common metrics are the H-index, Journal Impact Factor, and the FWCI (called CNCI in Web of Science).

• H-Index is a measure of how many times a journals published articles are cited, an index of fifteen means an article has been cited 15 times.
• Journal Impact Factor (IF) – A measurement of how many times a journal’s published articles are cited by different researchers.
• FWCI – Publication Field weighted citation indices indicate how the number of citations received by researcher’s publications compared to the average number for similar publications.
• Category Normalized Citation Impact (CNCI) – Calculated using Web of Science, CNCI is “an indicator of impact normalized for subject focus, age and document type. A CNCI of 1 is at par with the world average, anything above 2 is twice the global average
• SJR - Scimago Journal Rank is a measure of the "prestige" of journals which makes use of both the number of citations a journal accrues and the perception of those journals in the wider academic community
• SNIP - Source Normalized Impact per Paper is a metric which accounts for the field specific differences between journals. The need for this is that some fields have different publishing practices, time frames, and constraints. This results in the need for a metric like SNIP which is calculated by comparing the citations per journal with the citation potential of the field as a whole, in other words it would measure of history journal against other history journals and vice versa for other academic disciplines

Here are the five most common Citation Databases' Key Strengths and Use Cases

• Web of Science: Core Collection Access the world’s leading scholarly literature in the sciences, social sciences, arts, and humanities and examine proceedings of international conferences, symposia, seminars, colloquia, workshops, and conventions. -Science Citation Index Expanded (1900-present) -Social Sciences Citation Index (1900-present) -Arts & Humanities Citation Index (1975-present) -Conference Proceedings Citation Index- Science (1990-present) -Conference Proceedings Citation Index- Social Science & Humanities (1990-present) -Book Citation Index– Science (2005-present) -Book Citation Index– Social Sciences & Humanities (2005-present) -Current Chemical Reactions (1985-present) (Includes Institut National de la Propriete Industrielle structure data back to 1840) -Index Chemicus (1993-present) -Emerging Sources Citation Index (2005 – present)
• Google Scholar Searches for scholarly materials such as peer-reviewed papers, theses, books, preprints, abstracts and technical reports from broad areas of research. It includes a variety of academic publishers, professional societies, preprint repositories and universities, as well as scholarly articles available across the web.
• Dimensions Dimensions is a citations database which specializes in providing abstracts, citations, and patents to users. While the Library does not currently subscribe, you can access the free version of the database from this link

• Next: Scopus >>
• Last Updated: Apr 11, 2024 9:42 AM
• URL: https://guides.lib.purdue.edu/citationdatabases

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MLA In-Text Citations: The Basics

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MLA (Modern Language Association) style is most commonly used to write papers and cite sources within the liberal arts and humanities. This resource, updated to reflect the MLA Handbook (9 th ed.), offers examples for the general format of MLA research papers, in-text citations, endnotes/footnotes, and the Works Cited page.

Guidelines for referring to the works of others in your text using MLA style are covered throughout the  MLA Handbook  and in chapter 7 of the  MLA Style Manual . Both books provide extensive examples, so it's a good idea to consult them if you want to become even more familiar with MLA guidelines or if you have a particular reference question.

Basic in-text citation rules

In MLA Style, referring to the works of others in your text is done using parenthetical citations . This method involves providing relevant source information in parentheses whenever a sentence uses a quotation or paraphrase. Usually, the simplest way to do this is to put all of the source information in parentheses at the end of the sentence (i.e., just before the period). However, as the examples below will illustrate, there are situations where it makes sense to put the parenthetical elsewhere in the sentence, or even to leave information out.

General Guidelines

• The source information required in a parenthetical citation depends (1) upon the source medium (e.g. print, web, DVD) and (2) upon the source’s entry on the Works Cited page.
• Any source information that you provide in-text must correspond to the source information on the Works Cited page. More specifically, whatever signal word or phrase you provide to your readers in the text must be the first thing that appears on the left-hand margin of the corresponding entry on the Works Cited page.

In-text citations: Author-page style

MLA format follows the author-page method of in-text citation. This means that the author's last name and the page number(s) from which the quotation or paraphrase is taken must appear in the text, and a complete reference should appear on your Works Cited page. The author's name may appear either in the sentence itself or in parentheses following the quotation or paraphrase, but the page number(s) should always appear in the parentheses, not in the text of your sentence. For example:

Both citations in the examples above, (263) and (Wordsworth 263), tell readers that the information in the sentence can be located on page 263 of a work by an author named Wordsworth. If readers want more information about this source, they can turn to the Works Cited page, where, under the name of Wordsworth, they would find the following information:

Wordsworth, William. Lyrical Ballads . Oxford UP, 1967.

In-text citations for print sources with known author

For print sources like books, magazines, scholarly journal articles, and newspapers, provide a signal word or phrase (usually the author’s last name) and a page number. If you provide the signal word/phrase in the sentence, you do not need to include it in the parenthetical citation.

These examples must correspond to an entry that begins with Burke, which will be the first thing that appears on the left-hand margin of an entry on the Works Cited page:

Burke, Kenneth. Language as Symbolic Action: Essays on Life, Literature, and Method . University of California Press, 1966.

In-text citations for print sources by a corporate author

When a source has a corporate author, it is acceptable to use the name of the corporation followed by the page number for the in-text citation. You should also use abbreviations (e.g., nat'l for national) where appropriate, so as to avoid interrupting the flow of reading with overly long parenthetical citations.

In-text citations for sources with non-standard labeling systems

If a source uses a labeling or numbering system other than page numbers, such as a script or poetry, precede the citation with said label. When citing a poem, for instance, the parenthetical would begin with the word “line”, and then the line number or range. For example, the examination of William Blake’s poem “The Tyger” would be cited as such:

The speaker makes an ardent call for the exploration of the connection between the violence of nature and the divinity of creation. “In what distant deeps or skies. / Burnt the fire of thine eyes," they ask in reference to the tiger as they attempt to reconcile their intimidation with their relationship to creationism (lines 5-6).

Longer labels, such as chapters (ch.) and scenes (sc.), should be abbreviated.

In-text citations for print sources with no known author

When a source has no known author, use a shortened title of the work instead of an author name, following these guidelines.

Place the title in quotation marks if it's a short work (such as an article) or italicize it if it's a longer work (e.g. plays, books, television shows, entire Web sites) and provide a page number if it is available.

Titles longer than a standard noun phrase should be shortened into a noun phrase by excluding articles. For example, To the Lighthouse would be shortened to Lighthouse .

If the title cannot be easily shortened into a noun phrase, the title should be cut after the first clause, phrase, or punctuation:

In this example, since the reader does not know the author of the article, an abbreviated title appears in the parenthetical citation, and the full title of the article appears first at the left-hand margin of its respective entry on the Works Cited page. Thus, the writer includes the title in quotation marks as the signal phrase in the parenthetical citation in order to lead the reader directly to the source on the Works Cited page. The Works Cited entry appears as follows:

"The Impact of Global Warming in North America." Global Warming: Early Signs . 1999. www.climatehotmap.org/. Accessed 23 Mar. 2009.

If the title of the work begins with a quotation mark, such as a title that refers to another work, that quote or quoted title can be used as the shortened title. The single quotation marks must be included in the parenthetical, rather than the double quotation.

Parenthetical citations and Works Cited pages, used in conjunction, allow readers to know which sources you consulted in writing your essay, so that they can either verify your interpretation of the sources or use them in their own scholarly work.

Author-page citation for classic and literary works with multiple editions

Page numbers are always required, but additional citation information can help literary scholars, who may have a different edition of a classic work, like Marx and Engels's  The Communist Manifesto . In such cases, give the page number of your edition (making sure the edition is listed in your Works Cited page, of course) followed by a semicolon, and then the appropriate abbreviations for volume (vol.), book (bk.), part (pt.), chapter (ch.), section (sec.), or paragraph (par.). For example:

Author-page citation for works in an anthology, periodical, or collection

When you cite a work that appears inside a larger source (for instance, an article in a periodical or an essay in a collection), cite the author of the  internal source (i.e., the article or essay). For example, to cite Albert Einstein's article "A Brief Outline of the Theory of Relativity," which was published in  Nature  in 1921, you might write something like this:

See also our page on documenting periodicals in the Works Cited .

Citing authors with same last names

Sometimes more information is necessary to identify the source from which a quotation is taken. For instance, if two or more authors have the same last name, provide both authors' first initials (or even the authors' full name if different authors share initials) in your citation. For example:

Citing a work by multiple authors

For a source with two authors, list the authors’ last names in the text or in the parenthetical citation:

Corresponding Works Cited entry:

Best, David, and Sharon Marcus. “Surface Reading: An Introduction.” Representations , vol. 108, no. 1, Fall 2009, pp. 1-21. JSTOR, doi:10.1525/rep.2009.108.1.1

For a source with three or more authors, list only the first author’s last name, and replace the additional names with et al.

Franck, Caroline, et al. “Agricultural Subsidies and the American Obesity Epidemic.” American Journal of Preventative Medicine , vol. 45, no. 3, Sept. 2013, pp. 327-333.

Citing multiple works by the same author

If you cite more than one work by an author, include a shortened title for the particular work from which you are quoting to distinguish it from the others. Put short titles of books in italics and short titles of articles in quotation marks.

Citing two articles by the same author :

Citing two books by the same author :

Additionally, if the author's name is not mentioned in the sentence, format your citation with the author's name followed by a comma, followed by a shortened title of the work, and, when appropriate, the page number(s):

Citing multivolume works

If you cite from different volumes of a multivolume work, always include the volume number followed by a colon. Put a space after the colon, then provide the page number(s). (If you only cite from one volume, provide only the page number in parentheses.)

Citing the Bible

In your first parenthetical citation, you want to make clear which Bible you're using (and underline or italicize the title), as each version varies in its translation, followed by book (do not italicize or underline), chapter, and verse. For example:

If future references employ the same edition of the Bible you’re using, list only the book, chapter, and verse in the parenthetical citation:

John of Patmos echoes this passage when describing his vision (Rev. 4.6-8).

Citing indirect sources

Sometimes you may have to use an indirect source. An indirect source is a source cited within another source. For such indirect quotations, use "qtd. in" to indicate the source you actually consulted. For example:

Note that, in most cases, a responsible researcher will attempt to find the original source, rather than citing an indirect source.

Citing transcripts, plays, or screenplays

Sources that take the form of a dialogue involving two or more participants have special guidelines for their quotation and citation. Each line of dialogue should begin with the speaker's name written in all capitals and indented half an inch. A period follows the name (e.g., JAMES.) . After the period, write the dialogue. Each successive line after the first should receive an additional indentation. When another person begins speaking, start a new line with that person's name indented only half an inch. Repeat this pattern each time the speaker changes. You can include stage directions in the quote if they appear in the original source.

Conclude with a parenthetical that explains where to find the excerpt in the source. Usually, the author and title of the source can be given in a signal phrase before quoting the excerpt, so the concluding parenthetical will often just contain location information like page numbers or act/scene indicators.

Here is an example from O'Neill's  The Iceman Cometh.

WILLIE. (Pleadingly) Give me a drink, Rocky. Harry said it was all right. God, I need a drink.

ROCKY. Den grab it. It's right under your nose.

WILLIE. (Avidly) Thanks. (He takes the bottle with both twitching hands and tilts it to his lips and gulps down the whiskey in big swallows.) (1.1)

Citing non-print or sources from the Internet

With more and more scholarly work published on the Internet, you may have to cite sources you found in digital environments. While many sources on the Internet should not be used for scholarly work (reference the OWL's  Evaluating Sources of Information  resource), some Web sources are perfectly acceptable for research. When creating in-text citations for electronic, film, or Internet sources, remember that your citation must reference the source on your Works Cited page.

Sometimes writers are confused with how to craft parenthetical citations for electronic sources because of the absence of page numbers. However, these sorts of entries often do not require a page number in the parenthetical citation. For electronic and Internet sources, follow the following guidelines:

• Include in the text the first item that appears in the Work Cited entry that corresponds to the citation (e.g. author name, article name, website name, film name).
• Do not provide paragraph numbers or page numbers based on your Web browser’s print preview function.
• Unless you must list the Web site name in the signal phrase in order to get the reader to the appropriate entry, do not include URLs in-text. Only provide partial URLs such as when the name of the site includes, for example, a domain name, like  CNN.com  or  Forbes.com,  as opposed to writing out http://www.cnn.com or http://www.forbes.com.

Miscellaneous non-print sources

Two types of non-print sources you may encounter are films and lectures/presentations:

In the two examples above “Herzog” (a film’s director) and “Yates” (a presentor) lead the reader to the first item in each citation’s respective entry on the Works Cited page:

Herzog, Werner, dir. Fitzcarraldo . Perf. Klaus Kinski. Filmverlag der Autoren, 1982.

Yates, Jane. "Invention in Rhetoric and Composition." Gaps Addressed: Future Work in Rhetoric and Composition, CCCC, Palmer House Hilton, 2002. Address.

Electronic sources

Electronic sources may include web pages and online news or magazine articles:

In the first example (an online magazine article), the writer has chosen not to include the author name in-text; however, two entries from the same author appear in the Works Cited. Thus, the writer includes both the author’s last name and the article title in the parenthetical citation in order to lead the reader to the appropriate entry on the Works Cited page (see below).

In the second example (a web page), a parenthetical citation is not necessary because the page does not list an author, and the title of the article, “MLA Formatting and Style Guide,” is used as a signal phrase within the sentence. If the title of the article was not named in the sentence, an abbreviated version would appear in a parenthetical citation at the end of the sentence. Both corresponding Works Cited entries are as follows:

Taylor, Rumsey. "Fitzcarraldo." Slant , 13 Jun. 2003, www.slantmagazine.com/film/review/fitzcarraldo/. Accessed 29 Sep. 2009. 

"MLA Formatting and Style Guide." The Purdue OWL , 2 Aug. 2016, owl.english.purdue.edu/owl/resource/747/01/. Accessed 2 April 2018.

Multiple citations

To cite multiple sources in the same parenthetical reference, separate the citations by a semi-colon:

Time-based media sources

When creating in-text citations for media that has a runtime, such as a movie or podcast, include the range of hours, minutes and seconds you plan to reference. For example: (00:02:15-00:02:35).

When a citation is not needed

Common sense and ethics should determine your need for documenting sources. You do not need to give sources for familiar proverbs, well-known quotations, or common knowledge (For example, it is expected that U.S. citizens know that George Washington was the first President.). Remember that citing sources is a rhetorical task, and, as such, can vary based on your audience. If you’re writing for an expert audience of a scholarly journal, for example, you may need to deal with expectations of what constitutes “common knowledge” that differ from common norms.

Other Sources

The MLA Handbook describes how to cite many different kinds of authors and content creators. However, you may occasionally encounter a source or author category that the handbook does not describe, making the best way to proceed can be unclear.

In these cases, it's typically acceptable to apply the general principles of MLA citation to the new kind of source in a way that's consistent and sensible. A good way to do this is to simply use the standard MLA directions for a type of source that resembles the source you want to cite.

You may also want to investigate whether a third-party organization has provided directions for how to cite this kind of source. For example, Norquest College provides guidelines for citing Indigenous Elders and Knowledge Keepers⁠ —an author category that does not appear in the MLA Handbook . In cases like this, however, it's a good idea to ask your instructor or supervisor whether using third-party citation guidelines might present problems.

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• Citing sources

How to Cite Sources | Citation Generator & Quick Guide

Citing your sources is essential in  academic writing . Whenever you quote or paraphrase a source (such as a book, article, or webpage), you have to include a  citation crediting the original author.

Failing to properly cite your sources counts as plagiarism , since you’re presenting someone else’s ideas as if they were your own.

The most commonly used citation styles are APA and MLA. The free Scribbr Citation Generator is the quickest way to cite sources in these styles. Simply enter the URL, DOI, or title, and we’ll generate an accurate, correctly formatted citation.

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Table of contents

When do you need to cite sources, which citation style should you use, in-text citations, reference lists and bibliographies.

Scribbr Citation Generator

Other useful citation tools

Citation examples and full guides, frequently asked questions about citing sources.

Citations are required in all types of academic texts. They are needed for several reasons:

• To avoid plagiarism by indicating when you’re taking information from another source
• To give proper credit to the author of that source
• To allow the reader to consult your sources for themselves

A citation is needed whenever you integrate a source into your writing. This usually means quoting or paraphrasing:

• To quote a source , copy a short piece of text word for word and put it inside quotation marks .
• To paraphrase a source , put the text into your own words. It’s important that the paraphrase is not too close to the original wording. You can use the paraphrasing tool if you don’t want to do this manually.

Citations are needed whether you quote or paraphrase, and whatever type of source you use. As well as citing scholarly sources like books and journal articles, don’t forget to include citations for any other sources you use for ideas, examples, or evidence. That includes websites, YouTube videos , and lectures .

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Usually, your institution (or the journal you’re submitting to) will require you to follow a specific citation style, so check your guidelines or ask your instructor.

In some cases, you may have to choose a citation style for yourself. Make sure to pick one style and use it consistently:

• APA Style is widely used in the social sciences and beyond.
• MLA style is common in the humanities.
• Chicago notes and bibliography , common in the humanities
• Chicago author-date , used in the (social) sciences
• There are many other citation styles for different disciplines.

If in doubt, check with your instructor or read other papers from your field of study to see what style they follow.

In most styles, your citations consist of:

• Brief in-text citations at the relevant points in the text
• A reference list or bibliography containing full information on all the sources you’ve cited

In-text citations most commonly take the form of parenthetical citations featuring the last name of the source’s author and its year of publication (aka author-date citations).

An alternative to this type of in-text citation is the system used in numerical citation styles , where a number is inserted into the text, corresponding to an entry in a numbered reference list.

There are also note citation styles , where you place your citations in either footnotes or endnotes . Since they’re not embedded in the text itself, these citations can provide more detail and sometimes aren’t accompanied by a full reference list or bibliography.

A reference list (aka “Bibliography” or “Works Cited,” depending on the style) is where you provide full information on each of the sources you’ve cited in the text. It appears at the end of your paper, usually with a hanging indent applied to each entry.

The information included in reference entries is broadly similar, whatever citation style you’re using. For each source, you’ll typically include the:

• Author name
• Publication date
• Container (e.g., the book an essay was published in, the journal an article appeared in)
• Location (e.g., a URL or DOI , or sometimes a physical location)

The exact information included varies depending on the source type and the citation style. The order in which the information appears, and how you format it (e.g., capitalization, use of italics) also varies.

Most commonly, the entries in your reference list are alphabetized by author name. This allows the reader to easily find the relevant entry based on the author name in your in-text citation.

In numerical citation styles, the entries in your reference list are numbered, usually based on the order in which you cite them. The reader finds the right entry based on the number that appears in the text.

Scribbr Citation Checker New

The AI-powered Citation Checker helps you avoid common mistakes such as:

• Missing commas and periods
• Incorrect usage of “et al.”
• Ampersands (&) in narrative citations
• Missing reference entries

Because each style has many small differences regarding things like italicization, capitalization , and punctuation , it can be difficult to get every detail right. Using a citation generator can save you a lot of time and effort.

Scribbr offers citation generators for both APA and MLA style. Both are quick, easy to use, and 100% free, with no ads and no registration required.

Just input a URL or DOI or add the source details manually, and the generator will automatically produce an in-text citation and reference entry in the correct format. You can save your reference list as you go and download it when you’re done, and even add annotations for an annotated bibliography .

Once you’ve prepared your citations, you might still be unsure if they’re correct and if you’ve used them appropriately in your text. This is where Scribbr’s other citation tools and services may come in handy:

Plagiarism Checker

Citation Checker

Citation Editing

Plagiarism means passing off someone else’s words or ideas as your own. It’s a serious offense in academia. Universities use plagiarism checking software to scan your paper and identify any similarities to other texts.

When you’re dealing with a lot of sources, it’s easy to make mistakes that could constitute accidental plagiarism. For example, you might forget to add a citation after a quote, or paraphrase a source in a way that’s too close to the original text.

Using a plagiarism checker yourself before you submit your work can help you spot these mistakes before they get you in trouble. Based on the results, you can add any missing citations and rephrase your text where necessary.

Try out the Scribbr Plagiarism Checker for free, or check out our detailed comparison of the best plagiarism checkers available online.

Scribbr Plagiarism Checker

Scribbr’s Citation Checker is a unique AI-powered tool that automatically detects stylistic errors and inconsistencies in your in-text citations. It also suggests a correction for every mistake.

Currently available for APA Style, this is the fastest and easiest way to make sure you’ve formatted your citations correctly. You can try out the tool for free below.

If you need extra help with your reference list, we also offer a more in-depth Citation Editing Service.

Our experts cross-check your in-text citations and reference entries, make sure you’ve included the correct information for each source, and improve the formatting of your reference page.

If you want to handle your citations yourself, Scribbr’s free Knowledge Base provides clear, accurate guidance on every aspect of citation. You can see citation examples for a variety of common source types below:

And you can check out our comprehensive guides to the most popular citation styles:

At college level, you must properly cite your sources in all essays , research papers , and other academic texts (except exams and in-class exercises).

Add a citation whenever you quote , paraphrase , or summarize information or ideas from a source. You should also give full source details in a bibliography or reference list at the end of your text.

The exact format of your citations depends on which citation style you are instructed to use. The most common styles are APA , MLA , and Chicago .

The abbreviation “ et al. ” (Latin for “and others”) is used to shorten citations of sources with multiple authors.

“Et al.” is used in APA in-text citations of sources with 3+ authors, e.g. (Smith et al., 2019). It is not used in APA reference entries .

Use “et al.” for 3+ authors in MLA in-text citations and Works Cited entries.

Use “et al.” for 4+ authors in a Chicago in-text citation , and for 10+ authors in a Chicago bibliography entry.

The Scribbr Citation Generator is developed using the open-source Citation Style Language (CSL) project and Frank Bennett’s citeproc-js . It’s the same technology used by dozens of other popular citation tools, including Mendeley and Zotero.

You can find all the citation styles and locales used in the Scribbr Citation Generator in our publicly accessible repository on Github .

APA format is widely used by professionals, researchers, and students in the social and behavioral sciences, including fields like education, psychology, and business.

Be sure to check the guidelines of your university or the journal you want to be published in to double-check which style you should be using.

MLA Style  is the second most used citation style (after APA ). It is mainly used by students and researchers in humanities fields such as literature, languages, and philosophy.

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• What Are Endnotes? | Guide with Examples
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• 27 March 2024

Tweeting your research paper boosts engagement but not citations

• Bianca Nogrady

You can also search for this author in PubMed   Google Scholar

Even before complaints about X’s declining quality, posting a paper on the social-media platform did not lead to a boost in citations. Credit: Matt Cardy/Getty

Posting about a research paper on social-media platform X (formerly known as Twitter) doesn’t translate into a bump in citations, according to a study that looked at 550 papers.

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doi: https://doi.org/10.1038/d41586-024-00922-y

Branch, T. A. et al. PLoS ONE 19 , e0292201 (2024).

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Haustein, S., Peters, I., Sugimoto, C. R., Thelwall, M. & Larivière, V. J. Assoc. Inf. Sci. Technol. 65, 656–669 (2014).

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