APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1906). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Geology and Gold Deposits of the Cripple Creek District, Colorado. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Geology and Gold Deposits of the Cripple Creek District, Colorado. Washington: [publisher not identified], 1906.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Geology and Gold Deposits of the Cripple Creek District, Colorado. [publisher not identified], 1906.