Nichols, M. P., & Schwartz, R. C. (1998). Family therapy: Concepts and methods (4th ed.). Allyn and Bacon.
Citazione stile Chigago Style (17a edizione)Nichols, Michael P., e Richard C. Schwartz. Family Therapy: Concepts and Methods. 4th ed. Boston: Allyn and Bacon, 1998.
Citatione MLA (9a ed.)Nichols, Michael P., e Richard C. Schwartz. Family Therapy: Concepts and Methods. 4th ed. Allyn and Bacon, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.