Style de citation APA (7e éd.)

Sanders, D., Hallam, R. S., & Wills, F. (2003). Counselling for anxiety problems (Second edition.). Sage Pub..

Style de citation Chicago (17e éd.)

Sanders, Diana, Richard S. Hallam, et Frank Wills. Counselling for Anxiety Problems. Second edition. London ; Thousand Oaks, Calif.: Sage Pub., 2003.

Style de citation MLA (8e éd.)

Sanders, Diana, et al. Counselling for Anxiety Problems. Second edition. Sage Pub., 2003.