The Hanging Indent: What It Is, When to Use It, and How to Create One

You've probably seen it hundreds of times without knowing its name. Look at the reference list at the back of any research paper. The first line of each entry starts at the left margin. Every line after that is indented. That's a hanging indent. It's a formatting rule in APA, MLA, and Chicago style.

What Is a Hanging Indent?

A hanging indent is a paragraph format. The first line starts at the left margin. All the lines after it are indented. It's also called an outdent or a reverse indent.

This is the opposite of a normal paragraph indent. In a normal indent, the first line is pushed in. The rest runs to the margin. In a hanging indent, the first item (such as an author's last name, a term, or a number) sits at the left edge. The rest of the text wraps neatly behind it.

The result is a clean, easy-to-scan list. A reader looking for "Giardina" in a bibliography can run their eye down the left edge of the page. They don't need to read line by line.

Hanging Indent vs. Standard Indent

Standard paragraph indent: The first line is indented. All other lines run to the left margin. Used in body text paragraphs.
Hanging indent: The first line runs to the left margin. All other lines are indented. Used in reference lists, bibliographies, works cited pages, and glossaries.

The most common mistake is using a standard paragraph indent out of habit. This produces the wrong visual effect. It also breaks the rules in every major style guide.

How to Create a Hanging Indent in Microsoft Word

There are two methods. Both produce the same result.

Method 1: Paragraph Settings

Select the text you want to format.
Right-click and choose "Paragraph."
Under "Indentation," open the "Special" dropdown.
Select "Hanging."
Set the depth to 0.5 inches. This is the APA and MLA standard.
Click "OK."

Method 2: Using the Ruler

Make sure the ruler is showing. If not, click "View" and tick "Ruler."
Select the text you want to format.
On the ruler, drag the upper triangle (First Line Indent) to the left margin.
Drag the lower triangle (Left Indent) to the 0.5-inch mark.

How to Create a Hanging Indent in Google Docs

Select the text you want to format.
Click "Format" in the top menu.
Go to "Align and indent," then "Indentation options."
Under "Special indent," select "Hanging."
Set the depth to 0.5 inches.
Click "Apply."

How to Create a Hanging Indent in Other Platforms

InDesign: Set a positive left indent (such as 0.5 inches). Then set a negative first-line indent of the same value (such as -0.5 inches) in the paragraph style. The two cancel each other out for the first line. The rest of the lines indent.
LaTeX: Use the \hangindent and \hangafter commands. Or use the hanging package for easier control.

Important: Don't create the look of a hanging indent with spaces or manual line breaks. This may look right on screen. But it falls apart when the document is reformatted, exported, or printed. Always use the paragraph formatting tools.

Why Hanging Indents Matter

Reference lists are dense. When every entry starts the same way, the reader has to slow down. They have to hunt for each new source. A hanging indent fixes this. It pulls the first item of each entry out to the left margin. That creates a visual anchor for every source.

A reader scanning a bibliography for "Shackelford" can sweep down the left edge of the page. Without the format, they'd have to read every line. For editors, professors, and peer reviewers working through long reference lists, this difference matters.

Hanging Indents in Academic Writing

All four major style guides require them in reference lists. Here are the rules.

APA 7th edition: 0.5-inch indent for each entry in the reference list.
MLA 9th edition: 0.5-inch indent for each entry in the Works Cited page.
Chicago style: Required in the bibliography. Note: Chicago footnotes use a normal first-line indent, not a hanging indent.
Turabian: Follows Chicago rules. Hanging indent for all bibliography entries.

Here's how an APA-style reference looks with the format applied. Notice how "Giardina" sits flush at the left margin. The wrapped lines indent inward.

Giardina, D. (1987). Storming heaven: A novel about the West Virginia coal wars. Random House. https://www.worldcat.org/title/storming-heaven

In a proper reference list, "Giardina" anchors the left edge. A reader looking for this author finds the "G" entries fast.

Here's a Chicago-style bibliography entry. The same idea applies.

Ingham, J. N. (1991). Making iron and steel: Independent mills in Pittsburgh, 1820 to 1920. Ohio State University Press. https://doi.org/10.5555/example.doi.ingham1991

In a long bibliography, the anchor of each surname is the difference between a usable list and a wall of text.

Hanging Indents in Business Writing

Business writers see this format in reports with source citations, proposal reference lists, and glossaries. Here's an example from a business report on Appalachian economic growth.

Pollard, K., & Jacobsen, L. A. (2020). The Appalachian region: A data overview from the 2014 to 2018 American Community Survey. Appalachian Regional Commission. https://www.arc.gov/report/the-appalachian-region/

The format also works in glossaries and definition lists. Here's an example from a report on natural gas in the Marcellus Shale region.

Hydraulic fracturing. A well-stimulation method where pressurized fluid is injected into a wellbore. The fluid creates fractures in the rock. The fractures let oil or natural gas flow more freely. It's widely used in the Marcellus Shale of Pennsylvania, West Virginia, and Ohio.

The term sits flush left in bold. The definition wraps beneath it with an indent. In a long glossary, this makes the page much easier to navigate than a plain block format.

Hanging Indents in Books

Book editors and designers have used this format for centuries. It shows up in several places readers rarely notice.

Indexes

In a book index, the main entry sits at the left margin. Subentries are indented beneath it. The visual logic is the same. The main term is the anchor. The supporting items wrap behind it.

Bibliographies and Endnotes

Nonfiction bibliographies follow the same rules as academic writing. Here's an example from a book on the steel industry in Pittsburgh.

Warren, K. (2001). Big steel: The first century of the United States Steel Corporation. University of Pittsburgh Press. https://www.uppress.pitt.edu/9780822941729/big-steel/

Glossaries

Glossaries in trade and reference books use this format to separate terms from definitions. The term is flush left. The definition wraps behind it with an indent. This makes any glossary fast to navigate.

Plays and Screenplays

Plays and screenplays use a related idea. Character names are set apart from dialogue. The speaker is always easy to spot. The basic principle is the same: make the key item stand out.

Common Mistakes to Avoid

Using a standard paragraph indent instead. The most common error. It creates the wrong visual effect and breaks every major style guide.
Mixing formats in the same list. Every entry in a bibliography or reference list should use the same format. Mixing them signals a lack of care.
Using a different indent depth. APA and MLA both ask for 0.5 inches. Check this across the whole document.
Faking it with spaces or line breaks. It may look right on screen. But it breaks when the document is reformatted, exported, or printed. Always use the paragraph formatting tools.

Frequently Asked Questions

What is a hanging indent?

A paragraph format where the first line starts at the left margin. All the lines after it are indented. It's also called an outdent or a reverse indent. It's required in APA, MLA, Chicago, and Turabian reference lists.

What's the difference between a hanging indent and a regular indent?

In a regular indent, the first line is indented. All other lines run to the left margin. In a hanging indent, it's the reverse. The first line runs to the left margin. All other lines are indented. Regular indents are used in body text. Hanging indents are used in reference lists and bibliographies.

How do you create a hanging indent in Word?

Select the text. Right-click and open the Paragraph dialog. Set the "Special" dropdown to "Hanging." Enter 0.5 inches as the depth. Click "OK."

How do you create a hanging indent in Google Docs?

Select the text. Go to Format, then "Align and indent," then "Indentation options." Under "Special indent," select "Hanging." Enter 0.5 inches. Click "Apply."

Do all style guides require a hanging indent for references?

Yes. APA 7th edition, MLA 9th edition, Chicago style, and Turabian all require them in reference lists, works cited pages, and bibliographies. APA and MLA use 0.5 inches. For academic writers, this is a rule, not a choice.