Cita APA (7th ed.)

Cohen, N. E. (1964). Social work and social problems. N.A.S.W.

Cita Chicago (17th ed.)

Cohen, Nathan E. Social Work and Social Problems. New York: N.A.S.W, 1964.

Cita MLA (9th ed.)

Cohen, Nathan E. Social Work and Social Problems. N.A.S.W, 1964.