APA (7th ed.) Citation

Paulsen, C. G. (1942). Surface water supply of the United States, 1940. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Paulsen, Carl G. Surface Water Supply of the United States, 1940. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1942.

MLA (8th ed.) Citation

Paulsen, Carl G. Surface Water Supply of the United States, 1940. United States Department of the Interior, Geological Survey, 1942.