Cita APA (7th ed.)

Perry, M. (2011). Western civilization: A brief history (7th ed., International ed.). Wadsworth/Cengage Learning.

Cita Chicago (17th ed.)

Perry, Marvin. Western Civilization: A Brief History. 7th ed., International ed. Australia: Wadsworth/Cengage Learning, 2011.

Cita MLA (9th ed.)

Perry, Marvin. Western Civilization: A Brief History. 7th ed., International ed. Wadsworth/Cengage Learning, 2011.