APA (7th ed.) Citation

Troeh, F. R., & Donahue, R. L. (2003). Dictionary of agricultural and environmental science (1. ed.). Iowa State Press.

Chicago Style (17th ed.) Citation

Troeh, Frederick R., and Roy Luther Donahue. Dictionary of Agricultural and Environmental Science. 1. ed. Ames, Iowa: Iowa State Press, 2003.

MLA (9th ed.) Citation

Troeh, Frederick R., and Roy Luther Donahue. Dictionary of Agricultural and Environmental Science. 1. ed. Iowa State Press, 2003.