How to Cite an Appendix

An appendix acts as a repository for supplementary information that supports, but doesn’t quite fit into, the main body of your paper. Think of it as the bonus material on a DVD-valuable for those who want more detail, but not essential for understanding the main story. Knowing how to properly refer to this section is a small but significant part of academic writing. It ensures your readers can find the extra information you’ve provided and shows you’re attentive to the formal conventions of scholarly work. The process differs slightly depending on whether you are citing your own appendix or one from another author’s publication.

Referring to an Appendix in Your Own Document

When you create an appendix for your own essay or report, the goal is to direct the reader to it smoothly. You don’t need a formal citation in your list of references. Instead, you simply signpost its existence within your main text. This is a direct, uncomplicated pointing-finger gesture in your writing. I remember the first time I had to do this; I spent ages trying to figure out how to list my own appendix in the bibliography, feeling the faint, papery frustration of academic rules. But the solution was much simpler.

You should refer to the appendix at the point where the information becomes relevant. If you have only one appendix, you can call it “the Appendix.” If you have more than one appendix, label them with a letter or number (Appendix A, Appendix B, etc.) and refer to the specific one.

The raw survey data is compiled for review (see Appendix A).

As detailed in Appendix B, the experimental procedure followed three distinct phases.

A quick note: Always introduce the appendix in the text before the appendix appears at the end of the document. An appendix should never appear unannounced.

Citing an Appendix From a Published Source

This is where things get a bit more formal. When you use information from an appendix in another author’s book, article, or report, you need to provide a proper citation. The fundamental principle is that you are citing the entire work, but you can point to the appendix specifically to help your readers locate the source. It’s a bibliographic breadcrumb leading back to the original scholarly scaffolding.

APA Style Citation

The American Psychological Association (APA) style is common in the social sciences. When formatting your own paper, APA has clear guidelines for an Appendices Setup. Each appendix should start on a new page after the references, tables, and figures. If you have a single appendix, label it “Appendix.” If you have multiple appendices, use letters: “Appendix A,” “Appendix B,” and so on.

In-Text Citation of Your Own Appendix:

The full list of interview questions can be found in the appendix (see Appendix A).

Citing Another Author’s Appendix:

For the in-text citation, you simply cite the work as you normally would. You do not need to mention the appendix in the parenthetical citation itself, though you may mention it in your sentence to direct the reader.

Jones (2021) provides a detailed case study analysis in his appendix.

The original survey instrument is a valuable resource (Smith, 2020, Appendix B).

The entry in the reference list is for the book or journal article, not the appendix itself. For example, for a book:

“Smith, J. A. (2020). The science of surveys. Academic Press.“

MLA Style Citation

The Modern Language Association (MLA) style, often used in the humanities, handles appendices similarly. The official MLA style guide offers advice on How do I cite an appendix?. A key distinction is that MLA uses an author-page format for the parenthetical citation. This can be tricky if the appendix has its own page numbering system, a rare but confusing scenario.

In-Text Citation of Your Own Appendix:

A complete transcript of the speech is provided (see appx. A).

MLA allows the abbreviation “appx.” for appendix in a parenthetical citation to maintain brevity.

Citing Another Author’s Appendix:

Your in-text citation should point to the author and the specific page number where the information is located, even if that page falls within an appendix. The Works Cited entry is for the complete source.

The author’s original sketches offer further insight into the creative process (Williams 245).

One researcher’s field notes are included in the book’s appendix (Davis 150-155; see appx. 2).

The Works Cited entry would be for the main source, a concept central to Mastering Citations. For an article, the format would be:

“Davis, Amelia. “Excavating the Past.” Journal of Historical Studies, vol. 45, no. 2, 2019, pp. 130-55.“

Chicago Style Citation

The Chicago Manual of Style is flexible and common in historical and fine arts writing. A fascinating quirk of Chicago style is its preference for lowercasing parts of a book in running text. So, even if the title is “Appendix A,” you would refer to it as “appendix A.” This subtle choice reflects a very particular editorial philosophy.

In-Text Citation of Your Own Appendix:

The calculations are shown in full (see appendix 1).

Citing Another Author’s Appendix:

In the notes and bibliography system, your footnote would cite the main source but could mention the appendix for clarity. The bibliography entry remains for the work as a whole.

1. Eleanor Vance, Castles of the Crown (New York: Penguin Press, 2018), 342 (appendix C).

The corresponding bibliography entry is for the entire book:

“Vance, Eleanor. Castles of the Crown. New York: Penguin Press, 2018.“

If citation feels overwhelming, a citation generator can be a useful resource to help structure your references correctly, but always double-check its output against your style guide.

Citing Specific Content Within an Appendix

What if you need to cite not just the appendix in general, but one figure or table within it? This adds a layer of precision that makes your academic work more rigorous. You direct your reader to the exact location of the information, removing any ambiguity.

To do this, you combine the reference to the appendix with a reference to the specific item. This is especially helpful in a long appendix that contains multiple tables or figures.

Style	Example In-Text Citation
APA	The demographic breakdown is clearly illustrated (see Appendix A, Table A1).
MLA	The original manuscript page shows significant revisions (see appx. B, fig. 2).
Chicago (Note)	2. Johnson, Modern Art, 212 (appendix B, table 1).

In these examples, the citation becomes a highly specific map, guiding your reader to the exact piece of evidence. You write your main sentence, and the parenthetical citation provides the precise coordinates for the supplementary material.