APA (7th ed.) Citation

Wyman, B. C., & Stevenson, L. H. (2001). The Facts on File dictionary of environmental science (New ed.). Facts on File.

Chicago Style (17th ed.) Citation

Wyman, Bruce C., and L. Harold Stevenson. The Facts on File Dictionary of Environmental Science. New ed. New York: Facts on File, 2001.

MLA (9th ed.) Citation

Wyman, Bruce C., and L. Harold Stevenson. The Facts on File Dictionary of Environmental Science. New ed. Facts on File, 2001.