Cita APA

Schaefer, R. T., & Lamm, R. P. (1997). Sociology: A Brief Introduction (2nd ed.). The McGraw-Hill Companies, Inc.

Citación estilo Chicago

Schaefer, Richard T., and Robert P. Lamm. Sociology: A Brief Introduction. 2nd ed. New York: The McGraw-Hill Companies, Inc, 1997.

Cita MLA

Schaefer, Richard T., and Robert P. Lamm. Sociology: A Brief Introduction. 2nd ed. The McGraw-Hill Companies, Inc, 1997.