Cita APA (7th ed.)

Schaefer, R. T. (2005). Sociology (Ninth edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Schaefer, Richard T. Sociology. Ninth edition. Boston: McGraw-Hill, 2005.

Cita MLA (8th ed.)

Schaefer, Richard T. Sociology. Ninth edition. McGraw-Hill, 2005.