United States. Soil Conservation Service. (1938). Terracing for soil and water conservation. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Terracing for Soil and Water Conservation. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Terracing for Soil and Water Conservation. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.