Citazione Stile APA (7a Edizione)

Holmes, D. S. (1997). Textbook companion for students to accompany Holmes Abnormal psychology (3rd edition.). Longman.

Citazione stile Chigago Style (17a edizione)

Holmes, David Sheridan. Textbook Companion for Students to Accompany Holmes Abnormal Psychology. 3rd edition. New York: Longman, 1997.

Citatione MLA (9a ed.)

Holmes, David Sheridan. Textbook Companion for Students to Accompany Holmes Abnormal Psychology. 3rd edition. Longman, 1997.