MLA

Cook, Patrick E. Community Psychology and Mental Health : Introductory Readings. San Francisco: Holden-Day, 1970.

APA

Cook, P. E. (1970). Community psychology and mental health : introductory readings. San Francisco: Holden-Day.

Chicago

Cook, Patrick E. ed. Community Psychology and Mental Health: Introductory Readings. San Francisco: Holden-Day, 1970.