APA (7th ed.) Citation

Geological Survey (U.S.). (1966). Abstracts of North American geology. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Abstracts of North American Geology. Washington, D.C: U.S. Government Printing Office, 1966.

MLA (8th ed.) Citation

Geological Survey (U.S.). Abstracts of North American Geology. U.S. Government Printing Office, 1966.