Citazione Stile APA (7a Edizione)

Perry, M., & Bock, G. W. (2016). Western civilization: A brief history (Eleventh edition.). Wadsworth Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Perry, Marvin, e George W. Bock. Western Civilization: A Brief History. Eleventh edition. Australia: Wadsworth Cengage Learning, 2016.

Citatione MLA (9a ed.)

Perry, Marvin, e George W. Bock. Western Civilization: A Brief History. Eleventh edition. Wadsworth Cengage Learning, 2016.