APA (7th ed.) Citation

Hunter, J. F. (1925). Pre-Cambrian rocks of Gunnison River, Colorado. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hunter, J. Fred. Pre-Cambrian Rocks of Gunnison River, Colorado. [Washington, D.C.]: Department of the Interior, U.S. Geological Survey, 1925.

MLA (9th ed.) Citation

Hunter, J. Fred. Pre-Cambrian Rocks of Gunnison River, Colorado. Department of the Interior, U.S. Geological Survey, 1925.