APA (7th ed.) Citation

Geological Survey (U.S.). (1977). Geological Survey research 1977. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Geological Survey Research 1977. Washington: U.S. G.P.O., 1977.

MLA (9th ed.) Citation

Geological Survey (U.S.). Geological Survey Research 1977. U.S. G.P.O., 1977.

Warning: These citations may not always be 100% accurate.