APA (7th ed.) Citation

Wilhelm, S., & Steketee, G. (2006). Cognitive therapy for obsessive-compulsive disorder : a guide for professionals / Sabine Wilhelm, Gail S. Steketee: A guide for professionals. New Harbinger.

Chicago Style (17th ed.) Citation

Wilhelm, Sabine, and Gail Steketee. Cognitive Therapy for Obsessive-compulsive Disorder : A Guide for Professionals / Sabine Wilhelm, Gail S. Steketee: A Guide for Professionals. Oakland, Calif.: New Harbinger, 2006.

MLA (9th ed.) Citation

Wilhelm, Sabine, and Gail Steketee. Cognitive Therapy for Obsessive-compulsive Disorder : A Guide for Professionals / Sabine Wilhelm, Gail S. Steketee: A Guide for Professionals. New Harbinger, 2006.

Warning: These citations may not always be 100% accurate.