APA (7th ed.) Citation

Helms, D. (2008). Hugh Hammond Bennett and the creation of the Soil Erosion Service. United States Department of Agriculture, Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Helms, Douglas. Hugh Hammond Bennett and the Creation of the Soil Erosion Service. Washington, D.C.: United States Department of Agriculture, Natural Resources Conservation Service, 2008.

MLA (9th ed.) Citation

Helms, Douglas. Hugh Hammond Bennett and the Creation of the Soil Erosion Service. United States Department of Agriculture, Natural Resources Conservation Service, 2008.