Cita APA

Schaefer, R. T. (2004). Sociology: A brief introduction (5th ed.). Boston: McGraw-Hill.

Citación estilo Chicago

Schaefer, Richard T. Sociology: A Brief Introduction. 5th ed. Boston: McGraw-Hill, 2004.

Cita MLA

Schaefer, Richard T. Sociology: A Brief Introduction. 5th ed. Boston: McGraw-Hill, 2004.