Cita APA (7a ed.)

Perry, M., & Bock, G. W. (2008). Western civilization: A brief history : volume II : from the 1400s (6th ed.). Houghton Mifflin.

Cita Chicago Style (17a ed.)

Perry, Marvin, y George W. Bock. Western Civilization: A Brief History : Volume II : From the 1400s. 6th ed. Boston: Houghton Mifflin, 2008.

Cita MLA (9a ed.)

Perry, Marvin, y George W. Bock. Western Civilization: A Brief History : Volume II : From the 1400s. 6th ed. Houghton Mifflin, 2008.