How to Write an Appendix: Rules, Formatting Tips, and Examples

Knowing how to write an appendix becomes helpful when your research paper incorporates tables, surveys, computations, or charts that will be hard to fit in the argument flow. This type of writing allows for placing all the mentioned elements in their rightful place without interrupting the flow of thought. But what about the APA, MLA, and Chicago styles? Don’t worry in this guide we will cover a simple approach to writing for the below citation. 

Table of Contents 

• What Is an Appendix in a Paper?
• What to Include in an Appendix
• General Rules Every Appendix Should Follow
• How to Write an Appendix Step by Step
• How to Write an Appendix in APA Style
• How to Write an Appendix in MLA Style
• Appendix Format in Chicago and Harvard Styles
• A Simple Appendix Example You Can Copy
• Common Mistakes When Writing an Appendix
• Frequently Asked Questions
• Conclusion

What Is an Appendix in a Paper? 

It is a supporting material that cluttered the main text of a paper that is put in the very end. While considering tables, figures, interview questions, a questionnaire, calculations, or any other detail of how you're conducting your research.

“Appendix” is the singular and “appendices” is the plural. If you have more than one, call them Appendix A, Appendix B, Appendix C, etc., and so on, in the order you refer to them in your paper.

In research papers, theses, dissertations, lab reports and case studies, you'll find appendices. What is in their inside should enable a reader to follow your study, make an evaluation of it, or even reproduce it. This shouldn't be your main findings, however. Those should be in the body of the paper.

An appendix is different from a footnote because a footnote is a brief comment or source note on a page. An appendix contains longer material in a separate section of the paper.

What to Include in an Appendix (and What to Leave Out)

An appendix is helpful when it provides information that can be used to confirm your findings but which could distract the reader if put in the main body of the research. 

Such information may consist of tables of data, questionnaires and interviews, permission forms, calculations, and supporting graphs. Methodology details, programming code, lengthy lists, technical descriptions, or statistical results may be provided as well. Such information allows the reader to verify the process and make sure in the validity of your decisions.

Use the following criterion as a basic guide: Include only those details which would improve your writing even if not included because they make it better when present. Do not put crucial information in the appendix since it is necessary for the readers to know that too.

General Rules Every Appendix Should Follow 

Refer to each appendix at least once in the body of the essay by saying something like, “See Appendix A.” This will provide readers with the reason why the material is important and where the evidence is presented.

Put the appendix after the main text. However, the location of the appendix depends on the citation style being used. According to APA format, the appendices should follow the reference list while according to MLA format, an appendix should be put before the works-cited list.

Begin each appendix on a separate page even if it consists of a table or explanation of just a few lines. This will make the information easier to locate, print, review, and refer to when grading or reviewing.

Capital letters should be used when referring to several appendices in order of their appearance in the academic document. When there is only one appendix in the document, it should not be assigned a letter but just labeled “Appendix.”

Each appendix should have a title that gives an idea of its content. The font, spacing, margins, and general formatting should be similar to those of the entire academic paper.

How to Write an Appendix Step by Step?

It is more convenient to write an appendix if you follow these procedures in sequence, beginning with selecting the material right up until you do the proofreading. There are eight steps in all that will guide you on what to include, format and relate it to your document.

• Choose the Right Material

Identify material that is relevant to your paper but would distract from the body of your paper. These could be raw data, questionnaires, charts, calculations, detailed methodologies, and so forth.

• Group Similar Content Together

Don’t combine different types of materials in one appendix. For example, questions from the survey should go into one appendix, while data tables should go into another.

• Label Each Appendix Clearly

If you have more than one appendix in your paper, label them as Appendix A, Appendix B, and Appendix C. If you have just one, it’s just Appendix.

• Give Every Appendix a Title

Give each appendix an appropriate heading, which tells your reader what the appendix is all about, such as “Survey Questionnaire” or “Participant Data Table.”

• Refer to It in the Main Text

It’s a good idea to refer to the appendix in the body of your paper, as in “see Appendix A,” since this helps your reader know why you’ve included it.

• Match the Paper’s Formatting

Use the same font, spacing, margin and page numbering of the whole document. It is clear and professional when everything is consistent.

• Add Context Where Needed

If you want to supply any information, such as an explanation of abbreviations, data sources, survey instructions or calculation description, provide a note or caption.

• Proofread Before Submission

Labels, numbering, pagination and referencing should be checked. Ensure that all the appendices have been included in the list of appendices as well as in the paper. 

By following the above steps, the creation of an appendix will be quite easy. Structuring is important as it will clear all the misunderstandings that occur during the evaluation or the thesis defense.

How to Write an Appendix in APA Style?

Consistency in your work is very crucial, and this can be achieved through the use of an appendix appropriately. How the appendix will be placed in the document, its title, and numbering of tables and figures are governed by the APA style.

• For the writing of an appendix in the APA style, you are supposed to include it at the end of your paper, following the list of references. Every appendix should be written on a new page with page numbers in the top right-hand corner.

• The label “Appendix” should be in bold and center justified. If there is more than one appendix, you should put the corresponding letter after the label, such as “Appendix A,” “Appendix B,” or “Appendix C.”

• The next line should contain the title of the appendix in bold and center justified text. The title should clearly indicate the content of the appendix, like “Survey Questionnaire” or “Participant Demographics.”

• Your appendix should be double-spaced, and all sources cited in it should be included in the list of references of your main paper. Make sure to mention the appendix in the body of your work, for instance, “see Appendix A.”

• Table and figures should be labeled with an appendix letter and number, such as “Figure A1” and “Table A2.” There should be no period between the letter and the number (do not write “Figure A.1”).

• If there is only one table or figure within an appendix, the appendix designation is used in place of the regular table or figure number. Similarly, the title of the appendix is used in place of the regular table or figure title.

To get more assistance regarding formatting, refer to our APA, MLA, and Chicago style guide before writing your research paper.

How to Write an Appendix in MLA Style?

In MLA style, there is much freedom when it comes to writing appendices because the content defines the format of the section. However, there are certain requirements regarding the location, labeling, and in-text citation of the appendices.

• The MLA appendix should be presented after the main body of the document but before the Works-Cited page. In case there is a Notes section, the appendix should come first, then the Notes section, and then the Works-Cited page.

• Use only Appendix or Appendix A, B, C if your work has several appendices. Alternatively, you can provide a brief description of what is included in the appendix in addition to Appendix A, B, C.

• MLA offers flexible formatting since it is the content of the appendix that determines how it will be formatted. The prose appendix can contain normal paragraphs, while the list based appendix can have items either numbered or not numbered.

• The questionnaire, survey, chart or tables can be used in the MLA appendix. Charts and tables should not be used in case there is any simpler way of conveying the required information, such as through a list.

• The reader should be able to refer to the appendix from the body of the document. So, citation of the appendix in the main document is similar to any other part of the document, i.e. "See Appendix A".

MLA differs from APA in that MLA appends the material to be referenced in front of the Works Cited page while APA appends it after the References section. It is important to adhere to your instructor’s guidelines before completing your paper.

Appendix Format in Chicago and Harvard Styles

According to Chicago format, the appendix is inserted after the text and before the notes and bibliography sections. In cases where there are several appendices, they are labeled by the alphabet. Each appendix is then labeled appropriately to describe its content.

If you are using Harvard style, apply the guidelines given in your institution’s handbook or the guidelines in your assignment. Universities have slightly varying instructions on how to arrange the appendices and label them.

UK, Australian, and Canadian students should always verify the appropriate style from their professor. The department handbook is the best source for information on how to format the appendix and word counts.

A Simple Appendix Example You Can Copy

It is sometimes easier to understand the appearance of an appendix than to read about it. The following example demonstrates how you can add a label, a title, an explanation, and a labeled table in order to do the same in your own paper.

Appendix A: Survey Questionnaire

This appendix includes the full questionnaire that was used for collecting the responses from participants for the research. Also, the survey evaluated participant attitudes towards remote learning, study habits, and availability of digital learning materials.

Table A1: Participant Response Summary 

Use this format to begin with, and fill in the spaces with the actual information that you researched. This includes the label, title, table numbers, and citations.

Common Mistakes When Writing an Appendix

The major pitfalls in using appendix are small issues that are quite simple to avoid. Here is the list of mistakes students tend to make and thus should be aware of prior submission.

• Not Providing an In-Text Reference: When you don't mention it anywhere in the main text, nobody knows why this is here and how it contributes to your arguments.
• Confusing Appendix A, B, and C: Several appendices will confuse your reader if they all have wrong labels.
• Placing Important Data: Important information should be placed in the body of the paper where it can be noticed without any efforts.
• Making it Very Large: Large appendix without the clear title, outline, explanation causes confusion.
• Adding Unnecessary Information: Information which is not linked to your research question, methodology, main results should be removed.
• Avoiding The New Page: It is easier to find, print, read and reference the material if each appendix starts from a new page.
• Missing a Descriptive Title: The title informs the reader of the kind of information they are going to read.

Conclusion

An appendix makes your paper appear neat but serves as proof of your claims. It comes in handy when you need to present data, questionnaires, computations, charts, and techniques that do not fit into the discussion of the topic.

Keep in mind three simple rules: mention the appendix in the body of the paper, label the appendix, and use the required style of formatting. Before submitting the assignment, make sure to look through your instructor’s requirements and our guides on how to write a research paper, how to write a bibliography, and how to write a thesis statement.

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