APA (7th ed.) Citation

Perry, S. M. (1999). Abnormal psychology. NTC/Contemporary Publishing.

Chicago Style (17th ed.) Citation

Perry, Susanna M. Abnormal Psychology. Lincolnwood (Chicago), Illinois: NTC/Contemporary Publishing, 1999.

MLA (9th ed.) Citation

Perry, Susanna M. Abnormal Psychology. NTC/Contemporary Publishing, 1999.