MLA Format

MLA Research Paper Help

Complete guide to MLA 9th edition format for research papers. Works Cited, in-text citations, headings, spacing, and formatting for humanities.

MLA (Modern Language Association) 9th edition is the standard format for research papers in literature, languages, humanities, and cultural studies. MLA formatting emphasizes simplicity compared to APA — it uses fewer headings, simpler citations, and straightforward page setup. However, MLA rules are still detailed, and many students lose points on formatting because they mix MLA with APA conventions or use outdated MLA 8th edition rules. This guide covers MLA 9th edition requirements for research papers, common mistakes, and proper formatting from start to finish.

MLA 9th edition overview

MLA (Modern Language Association) format specifies how humanities research papers should be structured. Key elements:

MLA 9th edition (current) differs from earlier versions in URL and container formatting, so ensure your professor wants 9th edition.

Page setup and formatting

Margins and spacing

Header

In-text citations: MLA format

MLA uses author-page citations embedded in parentheses:

Basic format

Placement rules

Works Cited: MLA format

The Works Cited page appears on a new page at the end of your paper. It includes all sources cited in the text.

Basic format (book example)

Author(s). Title of Book. Publisher, Publication Year. URL or DOI.

Example: Smith, John, and Karen Johnson. The Effects of Climate Policy. Oxford University Press, 2022, https://doi.org/10.1234/book.2022.5678.

Key rules

Common source types in MLA format

Source typeFormat
BookAuthor(s). Title. Publisher, Year. URL.
Journal articleAuthor(s). "Article Title." Journal Name, vol. #, no. #, Year, pp. page range. DOI.
WebsiteAuthor or Organization. "Page Title." Site Name, Publisher, Date, URL.
Edited book chapterAuthor. "Chapter Title." Book Title, edited by Editor, Publisher, Year, pp. page range.

MLA headings

MLA is simpler than APA on headings. Typically:

Common MLA formatting errors

MLA 8 vs. MLA 9: Key changes

MLA 9th edition (2021) differs from MLA 8th in important ways:

Quick MLA formatting checklist

  • ☐ 1-inch margins all sides
  • ☐ Double-spaced throughout
  • ☐ 12-point readable font (Times New Roman)
  • ☐ Header: last name + page number (top right)
  • ☐ First page: name, professor, course, date (top left)
  • ☐ Title centered below header block
  • ☐ In-text citations: (Author Page) format
  • ☐ Works Cited page on new page
  • ☐ Works Cited entries alphabetized
  • ☐ Hanging indents on Works Cited
  • ☐ Book titles italicized, article titles in quotes
  • ☐ Every in-text citation has a Works Cited entry

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FAQ

Should I use MLA 8 or MLA 9?

Use MLA 9 (current edition, published 2021) unless your professor specifies otherwise. MLA 9 changed container formatting and URL requirements, so using 8th will cost points.

Do I need a separate Works Cited page or can it be at the end of the last page?

Works Cited should start on a new page at the end of your paper. It's not on the same page as your conclusion.

How many Works Cited entries do I need?

Depends on assignment. A general rule: at least one source per page. A 10-page paper should have 10+ Works Cited entries. Check your assignment for a specific requirement.