APA (7th ed.) Citation

American Psychological Association, Carlson, J., & Young, J. E. (2007). Schema therapy. American Psychological Association.

Chicago Style (17th ed.) Citation

American Psychological Association, Jon Carlson, and Jeffrey E. Young. Schema Therapy. Washington, DC: American Psychological Association, 2007.

MLA (9th ed.) Citation

American Psychological Association, et al. Schema Therapy. American Psychological Association, 2007.