MLA

Klein, Donald F., and John M Davis. Diagnosis and Drug Treatment of Psychiatric Disorders. Baltimore: Williams & Wilkins, 1969.

APA

Klein, D. F., & Davis, J. M. (1969). Diagnosis and drug treatment of psychiatric disorders. Baltimore: Williams & Wilkins.

Chicago

Klein, Donald F., and John M Davis. Diagnosis and Drug Treatment of Psychiatric Disorders. Baltimore: Williams & Wilkins, 1969.