APA (7th ed.) Citation

United States. Soil Conservation Service. (1941). New landmarks of soil conservation. [s.n.].

Chicago Style (17th ed.) Citation

United States. Soil Conservation Service. New Landmarks of Soil Conservation. [Washington]: [s.n.], 1941.

MLA (9th ed.) Citation

United States. Soil Conservation Service. New Landmarks of Soil Conservation. [s.n.], 1941.

Warning: These citations may not always be 100% accurate.