Perry, M. (2007). Western civilization: Ideas, politics and society (8th ed.). Houghton Mifflin Harcourt Pub.
Cita Chicago Style (17a ed.)Perry, Marvin. Western Civilization: Ideas, Politics and Society. 8th ed. Boston: Houghton Mifflin Harcourt Pub, 2007.
Cita MLA (9a ed.)Perry, Marvin. Western Civilization: Ideas, Politics and Society. 8th ed. Houghton Mifflin Harcourt Pub, 2007.
Precaución: Estas citas no son 100% exactas.