How to Add a Hanging Indent to a Bibliography in Microsoft Word

If you are writing an academic paper using APA, MLA, or Chicago style formatting, your final Works Cited or Bibliography page must follow a very specific layout rule: the hanging indent. Unlike standard paragraphs where the first line is indented, a hanging indent keeps the first line of a citation flush with the left margin, while the second and all subsequent lines of that specific citation are indented by half an inch.

Many students attempt to create this layout manually by pressing the “Enter” key at the end of the first line and mashing the “Spacebar” five times to push the second line over. This is a disastrous approach. If you change the font size, adjust the margins, or add a word to the citation, the manual spacing collapses, turning your bibliography into a disjointed, unreadable mess.

Microsoft Word has a built-in formatting tool specifically designed to handle this automatically. This guide explains how to properly apply a hanging indent to your bibliography.

How to Apply a Hanging Indent (Windows & Mac)

The correct way to format your citations is to type them out completely normally first, without worrying about how they wrap to the next line. Once all your citations are typed, apply the formatting to the entire block of text at once.

1. Highlight all the citations in your Bibliography or Works Cited page. Do not highlight the title itself (e.g., the words “Works Cited”); only highlight the actual references.
2. Ensure you are on the Home tab in the Word ribbon at the top of the screen.
3. Look for the Paragraph section on the ribbon.
   • On Windows: Click the tiny, diagonal arrow icon in the bottom-right corner of the Paragraph group to open the Paragraph Settings dialog box.
   • On Mac: Click Format in the top menu bar, then click Paragraph…
4. In the dialog box that appears, look for the Indentation section.
5. Under the word “Special:”, click the drop-down menu (which usually says “(none)”).
6. Select Hanging from the list.
7. By default, the “By:” box next to it will automatically populate with 0.5″ (or 1.27 cm), which is the exact measurement required by all major academic style guides. Leave this number alone.
8. Click OK.

Your citations will instantly snap into perfect, style-guide-compliant formatting. The first line of every source will touch the left margin, and every subsequent line will be neatly indented beneath it.

Using the Ruler Shortcut (Advanced Method)

If you are comfortable using the visual ruler at the top of the Word document, there is an even faster way to apply a hanging indent without opening any menus.

1. Highlight your citations.
2. Look at the ruler above your document. On the far left side, you will see a small, hourglass-shaped marker consisting of two triangles and a small rectangle at the bottom.
3. Carefully click and hold the bottom triangle (the one pointing up). Do not grab the tiny rectangle below it.
4. Drag that bottom triangle precisely 0.5 inches to the right.

The top triangle (which controls the first line) will stay at the margin, while the bottom triangle (which controls the hanging indent) will move all subsequent lines inward.

By using Word’s built-in paragraph tools, your bibliography will remain perfectly formatted regardless of how many edits you make to the text, ensuring you do not lose unnecessary points on your final grade.