Gaya APA

Lofstedt, C, R. (1990). Essentials of psychiatric nursing learning and activity guide. -- 3rd ed. . St. Louis: CV. Mosby Co..

Gaya MLA

Lofstedt, Carol, Ruth. "Essentials of psychiatric nursing learning and activity guide. -- 3rd ed.". St. Louis: CV. Mosby Co., 1990. Text.