Cita APA

Nichols, M. P., & Schwartz, R. C. (2001). The essentials of family therapy. Boston: Allyn & Bacon.

Chicago Style Citation

Nichols, Michael P., i Richard C. Schwartz. The Essentials of Family Therapy. Boston: Allyn & Bacon, 2001.

Cita MLA

Nichols, Michael P., i Richard C. Schwartz. The Essentials of Family Therapy. Boston: Allyn & Bacon, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.