APA

National Institute of Mental Health (U.S.), . (1971). Directory of community mental health centers. [Washington, D.C: .

Chicago

National Institute of Mental Health (U.S.), . 1971. Directory of community mental health centers. [Washington, D.C: .

Harvard

National Institute of Mental Health (U.S.), . (1971). Directory of community mental health centers. [Washington, D.C: .

MLA

National Institute of Mental Health (U.S.), . Directory of community mental health centers. [Washington, D.C: . 1971.