In the APA 7 publication manual, see pages 340-341 (section 10.11: Tests, Scales, and Inventories). APA 7th edition prefers that you cite the manual for a test, scale, or inventory whenever one is available.
Example (Citing a manual): Tellegen, A., & Ben-Porath, Y. S. (2011). Minnesota Multiphasic Personality Inventory-2 Restructured Form (MMPI-2-RF): Technical manual. Pearson.
When a test does not have a manual or it is not available for you to consult, you can cite the test itself.
Example (Citing a test): Project Implicit. (n.d.). Gender-Science IAT. https://implicit.harvard.edu/implicit/takeatest.html
Additional guidance:
- Capitalization: "The title of a test, a scale, or an inventory should be capitalized using title case whenever it appears in a paper."
- Italicization: "Although the test title may be italicized in a reference (e.g., in the name of a manual or when the test itself is cited), in the text, the title of a test should appear in title case in standard (nonitalic) type."
