Irving, J. D., Bancroft, H., & Cross, W. (1911). Geology and ore deposits near Lake City, Colorado. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationIrving, J. D., Howland Bancroft, and Whitman Cross. Geology and Ore Deposits Near Lake City, Colorado. Washington, D.C.: Department of the Interior, United States Geological Survey, 1911.
MLA (9th ed.) CitationIrving, J. D., et al. Geology and Ore Deposits Near Lake City, Colorado. Department of the Interior, United States Geological Survey, 1911.
Warning: These citations may not always be 100% accurate.