How Do You Cite A Study? | APA MLA Chicago Steps

You found a study that fits your point. Now you have to cite it, and that’s where many papers get messy. The fix is a repeatable way to collect details, then format them in the required style.

This guide covers journal articles, reports, theses, and preprints, plus quick checks before you submit with less stress.

Citation Styles At A Glance

Style	In-Text Pattern	Reference List Pattern For A Journal Article
APA (7th)	(Last Name, Year)	Last, F. M. (Year). Article title. Journal Title, Volume(Issue), page–page. DOI
MLA (9th)	(Last Name page)	Last, First. “Article Title.” Journal Title, vol. #, no. #, Year, pp. page–page. DOI/URL.
Chicago Author-Date	(Last Name Year, page)	Last, First. Year. “Article Title.” Journal Title volume (issue): page–page. DOI/URL.
Chicago Notes-Bibliography	Footnote number	Last, First. “Article Title.” Journal Title volume, no. issue (Year): page–page. DOI/URL.
IEEE	[#]	[#] F. M. Last, “Article title,” Journal Title, vol. #, no. #, pp. ##–##, Year, doi: …
Vancouver	Superscript or (1)	Last FM. Article title. Journal Title. Year;Volume(Issue):page–page. doi: …
AMA	Superscript number	Last FM. Article title. Journal Title. Year;Volume(Issue):page–page. doi: …

Use it to spot your style.

How Do You Cite A Study? Start With The Source Details

When someone asks, “how do you cite a study?”, they’re often asking, “What details do I need, and where do I find them?” The fastest route is to collect the same core fields every time, even if you’re not sure which style you’ll use.

Open the study’s landing page on the publisher site or in your library database. Keep the PDF open too. Between those two, you can capture the full set of details with fewer errors.

Collect These Fields Before You Format Anything

• Authors: every author in the order shown on the study.
• Year: year of publication, plus month/day if your style asks.
• Title: the article or report title.
• Source: journal name, book title, conference name, or report series.
• Container numbers: volume, issue, edition, report number, or conference proceedings details.
• Pages or article number: page range, eLocator, or article ID.
• DOI: preferred for scholarly articles when it exists.
• URL: use when there is no DOI or when the source lives on the open web.
• Publisher or institution: common for reports, theses, and white papers.

Find A DOI Fast

Look for a DOI on the first page of the PDF or on the journal webpage. APA’s own guidance on DOIs and URLs spells out when to use each and how to format them.

If there’s no DOI shown, don’t panic. Many sources are reports, books, and datasets that never use one. Use a stable URL or a database permalink.

Pick The Style Your Assignment Uses

Citation rules change with the style. Your teacher, journal, or department usually tells you which one to use. If they don’t, check the syllabus, rubric, or a sample paper from the class.

Once you know the style, your job is simple: make your in-text citations match the reference list. Every in-text callout must point to one full entry, and every entry must be cited in the text.

APA, MLA, And Chicago Fit Many Classes

APA is common in social science and education writing, MLA in many humanities classes, and Chicago in history and some cross-discipline work. Each style has an official set of examples you can follow. APA’s page on journal article references is a clear place to check punctuation, italics, and DOI placement.

Build The In-Text Citation First

In-text citations do two jobs: they show where an idea came from, and they help your reader locate the full entry. Start with the author piece, then add the year or page marker your style requires.

APA In-Text: Author And Year

APA usually uses author and year. If you quote, add a page number too. If a paper has two authors, list both names. If it has three or more, use the first author and “et al.” after the first citation rules in your style guide.

When there is no person author, APA often uses the group author (an agency, lab, or organization). Use the name shown on the report, not the site name you reached it through.

MLA In-Text: Author And Page

MLA’s in-text format leans on the page number so the reader can jump straight to the spot you used. If the source has no page numbers, use what MLA recommends for that source type, such as a section label.

Chicago In-Text: Two Systems

Chicago has two common systems: author-date and notes-bibliography. The Chicago Manual of Style shows both systems in its sample citation tools.

Write The Full Reference List Entry

Now you turn your field list into a formatted entry. If you collected the details up front, this part becomes a fill-in step instead of a scavenger hunt.

Journal Article Template You Can Reuse

Most studies you’ll cite are journal articles. Across styles, they share the same bones: authors, date, article title, journal title, volume and issue, pages or article number, then DOI or URL. The order and punctuation shift by style, but the ingredient list is steady.

Report Or White Paper Template

Reports often come from agencies, universities, or research groups. Your entry usually needs a group author, year, report title, report number if there is one, and the publisher or institution. Add a direct URL to the report landing page or PDF, not a site homepage.

Thesis Or Dissertation Template

For theses and dissertations, capture the author, year, title, degree type, university, and where you accessed it (a repository name and URL). If you pulled it from a library database, use the stable link your library provides.

Handle Tricky Study Cases Without Guessing

Some “studies” don’t look like classic journal articles. Preprints, conference papers, and datasets still count as sources, yet they come with their own quirks. The goal stays the same: identify what the item is, cite that item, and make it easy to locate.

Preprints And Early Versions

If you used a preprint, cite the preprint version you read, using its server name and DOI or URL. If you used the final journal version, cite that version instead.

Conference Papers

Conference work may appear in a proceedings book, a journal special issue, or a website program. Record the conference name, dates, location if your style asks, and the publisher of the proceedings. If the item has a DOI, use it like a journal article.

Studies You Found In A Meta-Analysis

Sometimes you meet a study through another paper’s reference list. Track down the original source and cite it directly when you can. If you truly cannot access the original, follow your style’s “secondary source” rule so you are clear about what you read and what you did not read.

Check Your Citation Against The Study Itself

Most citation errors come from copying a database record that is incomplete, then never checking the PDF. Do a quick match check before you submit.

Five Quick Checks That Catch Most Mistakes

1. Author order: does your entry match the order printed on the study?
2. Year: is the year the same on the PDF and the webpage?
3. Title: did you copy the title with the right capitalization for your style?
4. Journal details: volume, issue, and pages match the PDF header or article info box.
5. Link: DOI link resolves, or the URL opens the same item you cited.

Common Citation Problems And Fast Fixes

Even when you know the rules, small details can trip you up. Use the table below as a quick repair list when your citation “looks off.”

Problem	What It Looks Like	Fix
No DOI shown	Database record has a blank DOI field	Check the PDF first page and the publisher page; if none, use a stable URL.
Wrong year	Online-first year differs from issue year	Use the year required by your style; confirm on the publisher page.
Author names flipped	“First Last” appears where “Last, First” is expected	Format each name to match the style rule for that entry type.
Journal title not italic	Journal name blends into the rest of the entry	Italicize the journal title (and volume in styles that require it).
Missing issue number	Volume is listed, issue is absent	Pull the issue from the article page; many styles want it for journals.
Pages replaced by an article number	No page range exists	Use the eLocator or article ID shown on the journal page.
URL points to a search page	Link opens a database query, not the item	Use the “permalink” or “share” link that points to the item record.
In-text citation doesn’t match entry	(Smith, 2020) but entry starts with Jones	Update either the in-text citation or the entry so they line up.

Use A Simple Citation Workflow For Every Paper

If you want fewer last-minute fixes, use a repeatable workflow. It works whether you type citations by hand or use a citation manager.

Step 1: Save The Study And The Landing Page

Download the PDF and bookmark the landing page where the DOI and publication details live. If your database has a “record” page, save that too. You’re building a small evidence trail you can revisit.

Step 2: Capture The Fields In One Place

Copy the author list, year, title, source, and DOI/URL into a note or your citation manager. This is also a good time to jot a one-line summary in your own words so you can cite the right study later.

Step 3: Create The Reference Entry

Format the full entry in your required style. If you use a generator, treat it like a draft. Scan it against the PDF and fix what’s wrong before it goes into your paper.

Step 4: Add In-Text Citations As You Write

Add the in-text citation the moment you use the source. Don’t wait until the end. This saves time at the end.

Mini Checklist You Can Paste Into Your Notes

Use this list as a closing pass when you ask yourself, “how do you cite a study?” and want to be sure you didn’t miss anything.

• Author names copied from the study, in the right order
• Year matches the version you used
• Title matches the source, with capitalization set by the style
• Journal or publisher name present and spelled right
• Volume, issue, and pages or article number included when they exist
• DOI link used when available; stable URL used when there’s no DOI
• In-text citations match the first element of each reference entry