APA (7th ed.) Citation

McKnight, E. T. (1974). Geology and ore deposits of the Rico District, Colorado. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

McKnight, Edwin Thor. Geology and Ore Deposits of the Rico District, Colorado. Washington: United States Department of the Interior, Geological Survey, 1974.

MLA (9th ed.) Citation

McKnight, Edwin Thor. Geology and Ore Deposits of the Rico District, Colorado. United States Department of the Interior, Geological Survey, 1974.