Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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