APA (7th ed.) Citation

Antony, M. M., Purdon, C., & Summerfeldt, L. J. (2007). Psychological treatment of obsessive-compulsive disorder: Fundamentals and beyond. American Psychological Association.

Chicago Style (17th ed.) Citation

Antony, Martin M., Christine Purdon, and Laura J. Summerfeldt. Psychological Treatment of Obsessive-compulsive Disorder: Fundamentals and Beyond. Washington, DC: American Psychological Association, 2007.

MLA (9th ed.) Citation

Antony, Martin M., et al. Psychological Treatment of Obsessive-compulsive Disorder: Fundamentals and Beyond. American Psychological Association, 2007.

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