APA (7th ed.) Citation

Riley, C., Lee, M., Cooper, Z., Fairburn, C., & Shafran, R. (2007). A randomised controlled trial of cognitive-behaviour therapy for clinical perfectionism: A preliminary study.

Chicago Style (17th ed.) Citation

Riley, C., M. Lee, Z. Cooper, C. Fairburn, and R. Shafran. A Randomised Controlled Trial of Cognitive-behaviour Therapy for Clinical Perfectionism: A Preliminary Study. 2007.

MLA (9th ed.) Citation

Riley, C., et al. A Randomised Controlled Trial of Cognitive-behaviour Therapy for Clinical Perfectionism: A Preliminary Study. 2007.