Cita APA (7a ed.)

Burns, E. M., Lerner, R. E., & Meacham, S. (1969). Western civilizations: Their history and their culture (7. ed.). Norton.

Cita Chicago Style (17a ed.)

Burns, Edward McNall, Robert E. Lerner, y Standish Meacham. Western Civilizations: Their History and Their Culture. 7. ed. New York: Norton, 1969.

Cita MLA (9a ed.)

Burns, Edward McNall, et al. Western Civilizations: Their History and Their Culture. 7. ed. Norton, 1969.