How to Format an Essay: MLA, APA, and Chicago Style Guide

What Is Essay Format?

Essay format covers everything that affects how your paper looks and how it's organized. That includes the page setup (font, spacing, margins), the document structure (introduction, body paragraphs, conclusion), and the citation style your course requires.

Types of Essay Formats 

There are 3 basic formatting styles or types in which all essays and papers are formatted. They are:

• MLA
• APA
• Chicago

Whether you are writing a research paper or a general essay, you have to choose a format to draft it. Most professors specify which style to use if they don't, MLA is the safe default for the humanities, APA for the social sciences. When you're not sure, just ask. Your professor would rather answer that question before you submit than deal with it after.

Standard Essay Formatting Rules (Any Style)

Before you get into MLA vs. APA vs. Chicago, there are baseline rules that apply no matter which style you're using. Every academic essay requires the same baseline formatting: 12pt font, double spacing, 1-inch margins, and page numbers regardless of citation style. These aren't arbitrary they exist so your reader can focus on your writing, not your layout.

• Font: 12pt Times New Roman (or a comparable readable font like Arial or Calibri, if your professor allows it). Decorative fonts are never appropriate.
• Margins: 1 inch on all sides. This is the standard across all three major citation styles.
• Spacing: Double-space the entire document body text, block quotes, reference lists, everything. Single-spacing is one of the most common formatting mistakes.
• Block quotes: Used when a quotation runs longer than 4 lines (MLA) or 40 words (APA). Indent the entire quote 0.5 inches from the left margin, double-spaced, with no quotation marks. The citation goes after the closing punctuation, not before it.
• Paragraph indentation: Indent the first line of each paragraph 0.5 inches (one tab press in most word processors).
• Page numbers: Upper right corner of every page.
• Alignment: Left-aligned. Don't justify your text it creates uneven spacing between words and makes your essay harder to read.

If you've done all of the above, you've got the foundation right. The citation style you're using adds a few more requirements on top of these.

How to Format an Essay in Word and Google Docs

Knowing the rules is one thing; setting them up correctly in your word processor is another. Here's how to apply the standard formatting in the two most common tools.

Essay Formatting in Microsoft Word:

• Margins: Layout = Margins = Normal (1 inch all sides)
• Font: Home = Font = Times New Roman, Size 12
• Spacing: Home = Line and Paragraph Spacing = 2.0, then "Remove Space After Paragraph."
• Page numbers: Insert = Page Number = Top of Page = Plain Number 3 (right-aligned)
• Header (MLA): Insert = Header = Type your last name, then insert page number

Essay Formatting In Google Docs:

• Margins: File = Page Setup = set all margins to 1 inch
• Font: Format bar at top = Times New Roman, Size 12
• Spacing: Format = Line & Paragraph Spacing = Double, then "Remove space after paragraph"
• Page numbers: Insert = Page numbers = top right
• Header (MLA): Insert ? Headers & Footers = Header = type last name + insert page number

MLA Essay Format

MLA (Modern Language Association) is the standard for humanities courses English, literature, language, and cultural studies. If you're writing a paper on a novel or a poem, you're almost certainly using MLA.

When to use MLA: Humanities, literature, and language courses.

Page setup:

• No separate title page (in most cases)
• First page header (left-aligned): your name, professor's name, course name, date, each on its own line
• Title: centered, no bold or italics, just regular text
• Running header: your last name + page number in the upper right corner (e.g., Smith 1)

In-text citations: MLA uses author + page number in parentheses: (Smith 45). If you mention the author's name in the sentence, you only need the page number: (45).

Works Cited page: At the end of your essay, on a new page titled "Works Cited" (centered, not bolded). Entries are alphabetized by the author's last name.

Not sure how to format your essay title, when to italicize, use quotes, or use plain text? See our guide: how to title an essay

For more on structuring your opening paragraphs, see our essay introduction guide.

APA Essay Format

APA format (American Psychological Association) is the standard for social sciences, psychology, education, and nursing. If your course involves research studies, data, or behavioral science, you're likely using APA.

When to use APA: Social sciences, psychology, education, health sciences.

Page setup:

• Separate title page required: paper title (bold, centered, in the upper half of the page), your name, institution, course name and number, instructor name, and due date
• Running head: abbreviated title in ALL CAPS + page number (upper right) though APA 7th edition dropped the "Running head:" label for student papers
• Abstract (if required): A 150–250 word summary of your paper's purpose, methods, results, and conclusions on its own page, labeled 'Abstract' (centered, not bold). For most undergraduate course papers, your professor will tell you if one is needed. If the assignment sheet doesn't mention it, you likely don't need one.

In-text citations: APA uses author + year: (Smith, 2022). If you're quoting directly, add the page number: (Smith, 2022, p. 45).

Reference list: At the end, on a new page titled "References" (centered, not bolded). Entries are alphabetized and use a hanging indent.

Headings: APA uses five levels of headings to organize longer papers. For most undergraduate essays, you'll only need Level 1 (centered, bold, title case) and Level 2 (left-aligned, bold, title case). Check your assignment length papers under 5 pages often need no headings at all.

Chicago Style Essay Format

Chicago style is most common in history courses and some humanities fields. It comes in two systems you need to know which one your professor wants before you start.

When to use Chicago: History, some arts and humanities courses.

Two systems:

• Notes-Bibliography (NB): Used in the humanities. Citations appear as numbered footnotes at the bottom of each page, with a full bibliography at the end.
• Author-Date: Used in some social sciences. Works similarly to APA, with author + year in-text citations.

Page setup:

• Separate title page: title (centered, roughly one-third down the page), your name, course name, and date all centered
• No running head
• Double-spaced body text, 1-inch margins
• Footnotes (NB system): use superscript numbers in the text, with corresponding notes at the bottom of the page

Bibliography: At the end, on a new page titled "Bibliography" (centered). Alphabetized by author's last name, with a hanging indent.

If you're unsure which Chicago system your professor wants, check the syllabus or ask, as the two systems look quite different in practice.

MLA vs. APA vs. Chicago: Quick Comparison

MLA is used for humanities and literature, APA for social sciences and psychology, and Chicago for history. Here's how the three styles compare across every major formatting requirement:

Essay Structure: The Basic Format

Every academic essay follows a three-part structure, regardless of which citation style you're using. The introduction opens with context and ends with your thesis. The body paragraphs each develop one supporting point with evidence and analysis. The conclusion wraps up your argument and leaves the reader with a clear takeaway.

In a standard 5-paragraph essay, that looks like: one introduction, three body paragraphs, and one conclusion. Longer essays follow the same logic, with more body paragraphs and the same three-part frame.

If you're working on your essay outline first, that's the right move. Mapping your structure before you write saves a lot of rewriting later.

Common Essay Formatting Mistakes

Most formatting errors come down to rushing at the end. Here are the five most common ones and how to fix them before you submit.

1. Wrong citation style for your course. Using MLA for a psychology class is a quick way to lose points on something that has nothing to do with your argument. Always check the assignment sheet first.
2. Single-spacing instead of double-spacing. This is the most common error and one of the easiest to miss if you didn't set your document up before you started writing. Check your spacing settings before you paste anything in.
3. Missing header or page numbers. Every style requires page numbers. MLA adds your last name. APA adds an abbreviated title. Chicago just uses the number. None of them are optional.
4. Wrong font or font size. 12pt Times New Roman is the standard. If you're using something else, you'll need a specific reason and your professor's approval.
5. No Works Cited, Reference list, or Bibliography. This one can seriously impact your grade and raise plagiarism concerns. Every citation in the text needs a matching entry at the end, no exceptions.

How to Format an Essay Step by Step (Checklist)

Run through this before you submit, formatting errors are the easiest points to lose and the easiest to avoid.

• Set margins to 1 inch on all sides
• Use 12pt Times New Roman (or approved font)
• Double-space the entire document
• Indent the first line of each paragraph 0.5 inches
• Add header with correct format (last name + page number for MLA; abbreviated title + page number for APA)
• Follow the correct citation style (MLA / APA / Chicago)
• Include Works Cited, References, or Bibliography page
• Check the title page requirements for your style
• Verify all in-text citations match entries in your reference list

Essay Format Free Downloadable Resources

There are several types of academic essays that students get assigned. No matter which type of essay you're writing, it must be properly formatted. Carefully examine the formats provided below for the different essay types:

Writing a good essay includes the proper representation of the text. For this purpose, formatting is done.