Cita APA (7th ed.)

Greer, T. H., & Lewis, G. (2005). History interactive: A study tool for spielvogel's western civilization: A brief history (3rd ed.). Wadsworth Thomson.

Cita Chicago (17th ed.)

Greer, Thomas H., i Gavin Lewis. History Interactive: A Study Tool for Spielvogel's Western Civilization: A Brief History. 3rd ed. Belmont, CA: Wadsworth Thomson, 2005.

Cita MLA (8th ed.)

Greer, Thomas H., i Gavin Lewis. History Interactive: A Study Tool for Spielvogel's Western Civilization: A Brief History. 3rd ed. Wadsworth Thomson, 2005.