APA (7th ed.) Zitazioa

Schaefer, R. T. (1998). Sociology. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Schaefer, Richard T. Sociology. New York: McGraw-Hill, 1998.

MLA (9th ed.) Zitazioa

Schaefer, Richard T. Sociology. McGraw-Hill, 1998.