APA (7th ed.) Citation

-. (1961). Publication of the geological survey: 1879-1961. United States Government.

Chicago Style (17th ed.) Citation

-. Publication of the Geological Survey: 1879-1961. United States Government, 1961.

MLA (8th ed.) Citation

-. Publication of the Geological Survey: 1879-1961. United States Government, 1961.

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