Cita APA (7th ed.)

Patterson, C., & Watkins, C. E. (1996). Theories of psychotherapy (5th.ed.). Harpe Collins.

Cita Chicago (17th ed.)

Patterson, C.H, i C. Edward Watkins. Theories of Psychotherapy. 5th.ed. New York: Harpe Collins, 1996.

Cita MLA (9th ed.)

Patterson, C.H, i C. Edward Watkins. Theories of Psychotherapy. 5th.ed. Harpe Collins, 1996.