APA (7th ed.) Citation

Geological Survey (U.S.). (1931). Bibliography of North American geology. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Bibliography of North American Geology. Washington: U.S. Govt. Print. Off, 1931.

MLA (9th ed.) Citation

Geological Survey (U.S.). Bibliography of North American Geology. U.S. Govt. Print. Off, 1931.