Cita APA (7th ed.)

Williams, J. M. G. (1997). Cognitive psychology and emotional disorders. Wiley.

Cita Chicago (17th ed.)

Williams, J. Mark G. Cognitive Psychology and Emotional Disorders. Chichester, [Eng.]: Wiley, 1997.

Cita MLA (9th ed.)

Williams, J. Mark G. Cognitive Psychology and Emotional Disorders. Wiley, 1997.