APA (7th ed.) Citation

Sue, D., Sue, D. W., Sue, S., & Glaros, A. G. (1986). Understanding abnormal behavior Understanding abnormal behavior.

Chicago Style (17th ed.) Citation

Sue, David, Derald Wing Sue, Stanley Sue, and Alan G. Glaros. "Understanding Abnormal Behavior." Understanding Abnormal Behavior 1986.

MLA (8th ed.) Citation

Sue, David, et al. "Understanding Abnormal Behavior." Understanding Abnormal Behavior, 1986.