Cita APA (7a ed.)

British Psychological Society, issuing body. (2002). Psychology and psychotherapy: Theory, research and practice. British Psychological Society.

Cita Chicago Style (17a ed.)

British Psychological Society, issuing body. Psychology and Psychotherapy: Theory, Research and Practice. [Leicester, England]: British Psychological Society, 2002.

Cita MLA (9a ed.)

British Psychological Society, issuing body. Psychology and Psychotherapy: Theory, Research and Practice. British Psychological Society, 2002.