Spielvogel, J. J. (1994). Western civilization (2nd.ed.). West Publishing Company.
Cita Chicago (17th ed.)Spielvogel, Jackson J. Western Civilization. 2nd.ed. Minneapolis / St paul: West Publishing Company, 1994.
Cita MLA (9th ed.)Spielvogel, Jackson J. Western Civilization. 2nd.ed. West Publishing Company, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.