Cita APA (7th ed.)

(2020). Concise guide to APA style: The official APA style guide for students.

Cita Chicago (17th ed.)

Concise Guide to APA Style: The Official APA Style Guide for Students. 2020.

Cita MLA (9th ed.)

Concise Guide to APA Style: The Official APA Style Guide for Students. 2020.