APA (7th ed.) Citation

Trigger, B. G., & Washburn, W. E. (1996). North America. Cambridge University Press.

Chicago Style (17th ed.) Citation

Trigger, Bruce G., and Wilcomb E. Washburn. North America. Cambridge, England ; New York: Cambridge University Press, 1996.

MLA (9th ed.) Citation

Trigger, Bruce G., and Wilcomb E. Washburn. North America. Cambridge University Press, 1996.