Gaya APA

Sunden, G, W, S, S, J. (1991). Principles and practice of psychiatric nursing. -- 4th ed. . St. Louis: Mosby Year Book, Inc..

Gaya MLA

Sunden, Gail, Wiscare, Stuart,, Sandra, J.. "Principles and practice of psychiatric nursing. -- 4th ed.". St. Louis: Mosby Year Book, Inc., 1991. Text.