Cita APA (7a ed.)

Yule, W. (1999). Post-traumatic stress disorders: Concepts and therapy. Wiley.

Cita Chicago Style (17a ed.)

Yule, William. Post-traumatic Stress Disorders: Concepts and Therapy. Chichester Weinheim [u.a.]: Wiley, 1999.

Cita MLA (9a ed.)

Yule, William. Post-traumatic Stress Disorders: Concepts and Therapy. Wiley, 1999.