Cita APA (7th ed.)

Thompson, L. M., & Troeh, F. R. (1978). Soils and soil fertility (4th ed.). Tata McGraw-Hill Publishing Co. Ltd..

Cita Chicago (17th ed.)

Thompson, Louis M., i Frederick R. Troeh. Soils and Soil Fertility. 4th ed. New Delhi: Tata McGraw-Hill Publishing Co. Ltd., 1978.

Cita MLA (9th ed.)

Thompson, Louis M., i Frederick R. Troeh. Soils and Soil Fertility. 4th ed. Tata McGraw-Hill Publishing Co. Ltd., 1978.

Atenció: Aquestes cites poden no estar 100% correctes.