APA引文

Garraty , J. A., & Gay, P. (1981). The Columbia history of the world. Dorset Press.

Chicago Style (17th ed.) Citation

Garraty , John A., and Peter Gay. The Columbia History of the World. New York: Dorset Press, 1981.

MLA引文

Garraty , John A., and Peter Gay. The Columbia History of the World. Dorset Press, 1981.