Cita APA (7th ed.)

Feldman, R. S. (2021). Understanding psychology (Fifteenth edition.). McGraw-Hill Education.

Cita Chicago (17th ed.)

Feldman, Robert S. Understanding Psychology. Fifteenth edition. New York, NY: McGraw-Hill Education, 2021.

Cita MLA (8th ed.)

Feldman, Robert S. Understanding Psychology. Fifteenth edition. McGraw-Hill Education, 2021.