APA-viite (7. p.)

Clark, D., Salkovskis, P., Hackmann, A., Middleton, H., Anastasiades, P., & Gelder, M. (1994). A comparison of cognitive therapy, applied relaxation and imipramine in the treatment of panic disorder.

Chicago-viite (17. p.)

Clark, D., P. Salkovskis, A. Hackmann, H. Middleton, P. Anastasiades, ja M. Gelder. A Comparison of Cognitive Therapy, Applied Relaxation and Imipramine in the Treatment of Panic Disorder. 1994.

MLA-viite (9. p.)

Clark, D., et al. A Comparison of Cognitive Therapy, Applied Relaxation and Imipramine in the Treatment of Panic Disorder. 1994.