APA (7th ed.) Citation

Follett, R. F., & Stewart, B. A. (1985). Soil erosion and crop productivity. American Society of Agronomy.

Chicago Style (17th ed.) Citation

Follett, R. F., and B. A. Stewart. Soil Erosion and Crop Productivity. Madison, Wis., U.S.A: American Society of Agronomy, 1985.

MLA (9th ed.) Citation

Follett, R. F., and B. A. Stewart. Soil Erosion and Crop Productivity. American Society of Agronomy, 1985.