APA (7th ed.) Citation

Kays, R. (2009). Mammals of North America (2nd ed.). Princeton University Press.

Chicago Style (17th ed.) Citation

Kays, Roland. Mammals of North America. 2nd ed. Princeton: Princeton University Press, 2009.

MLA (9th ed.) Citation

Kays, Roland. Mammals of North America. 2nd ed. Princeton University Press, 2009.