APA (7th ed.) Citation

Helms, D. (2003). Soil conservation institutions in New Zealand and the United States: The case of Donald Williams' advisory trip. United States Department of Agriculture, Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Helms, Douglas. Soil Conservation Institutions in New Zealand and the United States: The Case of Donald Williams' Advisory Trip. Washington, D.C.: United States Department of Agriculture, Natural Resources Conservation Service, 2003.

MLA (9th ed.) Citation

Helms, Douglas. Soil Conservation Institutions in New Zealand and the United States: The Case of Donald Williams' Advisory Trip. United States Department of Agriculture, Natural Resources Conservation Service, 2003.