APA (7th ed.) Citation

Moench, R. H., & Drake, A. A. (1966). Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Moench, Robert Hadley, and Avery Ala Drake. Economic Geology of the Idaho Springs District, Clear Creek and Gilpin Counties, Colorado. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1966.

MLA (9th ed.) Citation

Moench, Robert Hadley, and Avery Ala Drake. Economic Geology of the Idaho Springs District, Clear Creek and Gilpin Counties, Colorado. United States Department of the Interior, Geological Survey, 1966.