APA (7th ed.) Citation

United States. Soil Conservation Service. (1937). Sources of moisture for precipitation in United States. [s.n.].

Chicago Style (17th ed.) Citation

United States. Soil Conservation Service. Sources of Moisture for Precipitation in United States. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Soil Conservation Service. Sources of Moisture for Precipitation in United States. [s.n.], 1937.

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