Cita APA

Schaefer, R. T. (2003). Sociology (8th ed.). Boston: McGraw-Hill.

Citación estilo Chicago

Schaefer, Richard T. Sociology. 8th ed. Boston: McGraw-Hill, 2003.

Cita MLA

Schaefer, Richard T. Sociology. 8th ed. Boston: McGraw-Hill, 2003.