Cita APA (7th ed.)

Holmes, D. S. (1994). Abnormal psychology (Second edition.). Harper-Collins College.

Cita Chicago (17th ed.)

Holmes, David S. Abnormal Psychology. Second edition. New York: Harper-Collins College, 1994.

Cita MLA (9th ed.)

Holmes, David S. Abnormal Psychology. Second edition. Harper-Collins College, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.