Cita APA (7a ed.)

Gillin, J. L. (1943). Social problems (3. ed.). Appleton-Century.

Cita Chicago Style (17a ed.)

Gillin, John Lewis. Social Problems. 3. ed. New York [u.a.]: Appleton-Century, 1943.

Cita MLA (8a ed.)

Gillin, John Lewis. Social Problems. 3. ed. Appleton-Century, 1943.