APA (7th ed.) Citation

Buol, S. W. (2003). Soil genesis and classification (5th ed.). Iowa State Press.

Chicago Style (17th ed.) Citation

Buol, S. W. Soil Genesis and Classification. 5th ed. Ames, Iowa: Iowa State Press, 2003.

MLA (9th ed.) Citation

Buol, S. W. Soil Genesis and Classification. 5th ed. Iowa State Press, 2003.