Cita APA (7a ed.)

Adams, W. E., & Barlow, R. B. (1968). The Western world. Harper & Row.

Cita Chicago Style (17a ed.)

Adams, Wallace E., y Richard B. Barlow. The Western World. New York: Harper & Row, 1968.

Cita MLA (9a ed.)

Adams, Wallace E., y Richard B. Barlow. The Western World. Harper & Row, 1968.