APA (7th ed.) Citation

Küchler, A. W. (1975). Potential natural vegetation of the conterminous United States (2. ed.). American Geographical Soc.

Chicago Style (17th ed.) Citation

Küchler, August Wilhelm. Potential Natural Vegetation of the Conterminous United States. 2. ed. New York, N.Y: American Geographical Soc, 1975.

MLA (9th ed.) Citation

Küchler, August Wilhelm. Potential Natural Vegetation of the Conterminous United States. 2. ed. American Geographical Soc, 1975.