Davis, R. E. (1990). Organization, programs, and activities of the Geologic Division, U.S. Geological Survey. U.S. Gov. Print. Off.
Chicago Style (17th ed.) CitationDavis, Robert E. Organization, Programs, and Activities of the Geologic Division, U.S. Geological Survey. Washington, DC: U.S. Gov. Print. Off, 1990.
MLA (9th ed.) CitationDavis, Robert E. Organization, Programs, and Activities of the Geologic Division, U.S. Geological Survey. U.S. Gov. Print. Off, 1990.
Warning: These citations may not always be 100% accurate.