Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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