Citazione Stile APA (7a Edizione)

Vitkus, J. (1993). Casebook in abnormal psychology (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Vitkus, John. Casebook in Abnormal Psychology. 2nd ed. New York: McGraw-Hill, 1993.

Citatione MLA (9a ed.)

Vitkus, John. Casebook in Abnormal Psychology. 2nd ed. McGraw-Hill, 1993.