Diagnostic and statistic manual of mental disorders.

MLA

Diagnostic and Statistic Manual of Mental Disorders. 2nd ed. Washington, D.C.: American Psychiatric Association, 1972.

APA

(1972). Diagnostic and statistic manual of mental disorders. 2nd ed. Washington, D.C.: American Psychiatric Association.

Chicago

Diagnostic and Statistic Manual of Mental Disorders. 2nd ed. Washington, D.C.: American Psychiatric Association, 1972.