Cita APA (7a ed.)

Nichols, M. P., & Schwartz, R. C. (1998). Family therapy: Concepts and methods (4th ed.). Allyn and Bacon.

Cita Chicago Style (17a ed.)

Nichols, Michael P., y Richard C. Schwartz. Family Therapy: Concepts and Methods. 4th ed. Boston: Allyn and Bacon, 1998.

Cita MLA (9a ed.)

Nichols, Michael P., y Richard C. Schwartz. Family Therapy: Concepts and Methods. 4th ed. Allyn and Bacon, 1998.