APA (7th ed.) Citation

Steven, T. A., & Ratté, J. C. (1960). Geology and ore deposits of the Summitville district, San Juan Mountains, Colorado. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Steven, Thomas A., and James Clifford Ratté. Geology and Ore Deposits of the Summitville District, San Juan Mountains, Colorado. Washington: United States Department of the Interior, Geological Survey, 1960.

MLA (9th ed.) Citation

Steven, Thomas A., and James Clifford Ratté. Geology and Ore Deposits of the Summitville District, San Juan Mountains, Colorado. United States Department of the Interior, Geological Survey, 1960.