APA (7th ed.) Citation

Vankat, J. L. (1979). The natural vegetation of North America: An introduction. Wiley.

Chicago Style (17th ed.) Citation

Vankat, John L. The Natural Vegetation of North America: An Introduction. New York: Wiley, 1979.

MLA (9th ed.) Citation

Vankat, John L. The Natural Vegetation of North America: An Introduction. Wiley, 1979.