APA (7th ed.) Citation

Duiker, S. W., Myers, J. C., & Blazure, L. C. (2017). Soil health in field and forage crop production. United States, Department of Agriculture, Natural Resources Conservation Service ; Penn State Cooperative Extension.

Chicago Style (17th ed.) Citation

Duiker, Sjoerd W., Joel C. Myers, and Lisa C. Blazure. Soil Health in Field and Forage Crop Production. [Washington, D.C.]: United States, Department of Agriculture, Natural Resources Conservation Service ; Penn State Cooperative Extension, 2017.

MLA (9th ed.) Citation

Duiker, Sjoerd W., et al. Soil Health in Field and Forage Crop Production. United States, Department of Agriculture, Natural Resources Conservation Service ; Penn State Cooperative Extension, 2017.