APA (7th ed.) Citation

Helms, D. (1992). Readings in the history of the Soil Conservation Service. United States Department of Agriculture, Soil Conservation Service, Economics and Social Sciences Division, NHQ.

Chicago Style (17th ed.) Citation

Helms, Douglas. Readings in the History of the Soil Conservation Service. Washington, D.C.: United States Department of Agriculture, Soil Conservation Service, Economics and Social Sciences Division, NHQ, 1992.

MLA (9th ed.) Citation

Helms, Douglas. Readings in the History of the Soil Conservation Service. United States Department of Agriculture, Soil Conservation Service, Economics and Social Sciences Division, NHQ, 1992.