For a singular appendix (you only have one), you would refer to it in text as Appendix. The heading of your appendix would be the same.
Please visit the formatting page for information on headings in your appendix.
For more information on Appendices please see page 53 of our referencing guide.
References
American Psychological Association. (n.d.-a). APA style. https://apastyle.apa.org/
American Psychological Association. (n.d.-b). Student sample paper with annotations. APA Style. https://apastyle.apa.org/style-grammar-guidelines/paper-format/student-annotated.pdf
American Psychological Association. (2020a). Publication manual of the American Psychological Association (7th ed.). https://doi.org/10.1037/0000165-000
American Psychological Association. (2020b, October 21). Student paper setup guide. APA Style. https://apastyle.apa.org/instructional-aids/student-paper-setup-guide.pdf
American Psychological Association. (2021a, December). Sample Tables. APA Style. https://apastyle.apa.org/style-grammar-guidelines/tables-figures/sample-tables
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American Psychological Association. (2022e, July). Numbers expressed in numerals. APA Style. https://apastyle.apa.org/style-grammar-guidelines/numbers/numerals
American Psychological Association. (2022f, July). Numbers expressed in words. APA Style. https://apastyle.apa.org/style-grammar-guidelines/numbers/words
American Psychological Association. (2022g, July). Paragraph alignment and indentation. APA Style. https://apastyle.apa.org/style-grammar-guidelines/paper-format/paragraph-format
American Psychological Association. (2022h, July). Paraphrasing. APA Style. https://apastyle.apa.org/style-grammar-guidelines/citations/paraphrasing
American Psychological Association. (2022i, July). Quotations. APA Style. https://apastyle.apa.org/style-grammar-guidelines/citations/quotations
American Psychological Association. (2022j, July). Sample papers. APA Style. https://apastyle.apa.org/style-grammar-guidelines/paper-format/sample-papers
American Psychological Association. (2022k, July). Use of italics. APA Style. https://apastyle.apa.org/style-grammar-guidelines/italics-quotations/italics
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McAdoo, T. (2023, April 7). How to cite ChatGPT. APA Style. https://apastyle.apa.org/blog/how-to-cite-chatgpt
Microsoft. (n.d.-a). Add a heading. https://support.microsoft.com/en-us/office/add-a-heading-3eb8b917-56dc-4a17-891a-a026b2c790f2
Microsoft. (n.d.-b). Change margins. https://support.microsoft.com/en-us/office/change-the-margins-in-your-word-document-c95c1ea1-70b1-4dde-a1da-f5aa2042c829
Microsoft. (n.d.-c). Create a hanging indent. https://support.microsoft.com/en-us/office/create-a-hanging-indent-7bdfb86a-c714-41a8-ac7a-3782a91ccad5
Microsoft. (n.d.-d). Double-space the lines in a document. https://bit.ly/3GRcExu
PSI CHI. (2022, April 5). Webinar: So you need to write a literature review/key tasks & how to accomplish them 03/16/2022 [Video]. YouTube. https://youtu.be/LWMf-FYOpJ8