Cita APA (7a ed.)

Barkham, M., Lutz, W., & Castonguay, L. G. (2021). Bergin and Garfield's handbook of psychotherapy and behavior change (50th anniversary edition.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Barkham, Michael, Wolfgang Lutz, y Louis Georges Castonguay. Bergin and Garfield's Handbook of Psychotherapy and Behavior Change. 50th anniversary edition. Hoboken, N.J.: John Wiley & Sons, 2021.

Cita MLA (9a ed.)

Barkham, Michael, et al. Bergin and Garfield's Handbook of Psychotherapy and Behavior Change. 50th anniversary edition. John Wiley & Sons, 2021.