United States. Soil Conservation Service. (1937). Soil conservation, official organ of the Soil Conservation Service. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Soil Conservation, Official Organ of the Soil Conservation Service. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Soil Conservation, Official Organ of the Soil Conservation Service. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.