APA (7th ed.) Citation

Fritts, C. E. (1969). Bedrock geologic map of the Marenisco-Watersmeet area, Gogebic and Ontonagon Counties, Michigan. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Fritts, Crawford E. Bedrock Geologic Map of the Marenisco-Watersmeet Area, Gogebic and Ontonagon Counties, Michigan. Washington, D.C.: U.S. Geological Survey, 1969.

MLA (9th ed.) Citation

Fritts, Crawford E. Bedrock Geologic Map of the Marenisco-Watersmeet Area, Gogebic and Ontonagon Counties, Michigan. U.S. Geological Survey, 1969.