Cita APA

Popenoe, D. 1., & Popenoe, D. 1. (1971). Sociology ([1. edition]. --.). New York, New York: Appleton Century Crofts.

Citación estilo Chicago

Popenoe, David 1932-, y David 1932- Popenoe. Sociology. [1. edition]. --. New York, New York: Appleton Century Crofts, 1971.

Cita MLA

Popenoe, David 1932-, y David 1932- Popenoe. Sociology. [1. edition]. --. New York, New York: Appleton Century Crofts, 1971.