Geological Survey (U.S.), Nevada Bureau of Mines, & Hope, R. A. (1972). Geologic map of the Spruce Mountain quadrangle, Elko County, Nevada. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Nevada Bureau of Mines, and Roger A. Hope. Geologic Map of the Spruce Mountain Quadrangle, Elko County, Nevada. Reston, Va.: U.S. Geological Survey, 1972.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of the Spruce Mountain Quadrangle, Elko County, Nevada. U.S. Geological Survey, 1972.
Warning: These citations may not always be 100% accurate.