MLA

Petersen, Timothy J, Susan E. Sprich, and Sabine Wilhelm. The Massachusetts General Hospital Handbook of Cognitive Behavioral Therapy. Springer New York, 2016.

APA

Petersen, T. J, E. Sprich, S., & Wilhelm, S. (2016). The Massachusetts General Hospital Handbook of Cognitive Behavioral Therapy. Springer New York.

Chicago

Petersen, Timothy J, Susan E. Sprich, and Sabine Wilhelm. The Massachusetts General Hospital Handbook of Cognitive Behavioral Therapy. : Springer New York, 2016.