APA (7th ed.) Zitazioa

Spielvogel, J. J. (1994). Western civilization (2nd.ed.). West Publishing Company.

Chicago Style (17th ed.) Zitazioa

Spielvogel, Jackson J. Western Civilization. 2nd.ed. Minneapolis / St paul: West Publishing Company, 1994.

MLA (9th ed.) Zitazioa

Spielvogel, Jackson J. Western Civilization. 2nd.ed. West Publishing Company, 1994.