APA (7th ed.) Citation

United States. Soil Conservation Service. (1941). Soil conservation districts in action on land. [s.n.].

Chicago Style (17th ed.) Citation

United States. Soil Conservation Service. Soil Conservation Districts in Action on Land. [Washington]: [s.n.], 1941.

MLA (9th ed.) Citation

United States. Soil Conservation Service. Soil Conservation Districts in Action on Land. [s.n.], 1941.

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