United States. Department of Agriculture. (1938). Soils & men. U.S Department of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Soils & Men. Washington, D.C: U.S Department of Agriculture, 1938.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Soils & Men. U.S Department of Agriculture, 1938.
Warning: These citations may not always be 100% accurate.