Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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