Cita APA (7th ed.)

Feldman, R. S. (2019). Understanding Psychology (14th ed.). Mc Graw Hill.

Cita Chicago (17th ed.)

Feldman, Robert S. Understanding Psychology. 14th ed. New York: Mc Graw Hill, 2019.

Cita MLA (9th ed.)

Feldman, Robert S. Understanding Psychology. 14th ed. Mc Graw Hill, 2019.