APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Troeh, Frederick R., and Roy L. Donahue. Dictionary of Agricultural and Environmental Science. First edition. Ames, Iowa: Iowa State Press, 2003.

MLA (9th ed.) Citation

Troeh, Frederick R., and Roy L. Donahue. Dictionary of Agricultural and Environmental Science. First edition. Iowa State Press, 2003.