Citazione Stile APA (7a Edizione)

Feldman, R. S. (2009). Understanding psychology (9th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Feldman, Robert S. Understanding Psychology. 9th ed. New York: McGraw-Hill, 2009.

Citatione MLA (8a ed.)

Feldman, Robert S. Understanding Psychology. 9th ed. McGraw-Hill, 2009.