APA (7th ed.) Citation

Troeh, F. R., & Thompson, L. M. (2005). Soils and soil fertility (6a. ed.). Blackwell Publishing.

Chicago Style (17th ed.) Citation

Troeh, Frederick R., and Louis M. Thompson. Soils and Soil Fertility. 6a. ed. Oxford: Blackwell Publishing, 2005.

MLA (9th ed.) Citation

Troeh, Frederick R., and Louis M. Thompson. Soils and Soil Fertility. 6a. ed. Blackwell Publishing, 2005.