APA (7th ed.) Citation

Geological Survey (U.S.). (1939). Water levels and artesian pressure in observation wells in the United States in 1938. [s.n.].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Water Levels and Artesian Pressure in Observation Wells in the United States in 1938. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

Geological Survey (U.S.). Water Levels and Artesian Pressure in Observation Wells in the United States in 1938. [s.n.], 1939.