Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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