Singewald, Q. D. (1950). Gold placers and their geologic environment in northwestern Park County, Colorado. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationSingewald, Q. D. Gold Placers and Their Geologic Environment in Northwestern Park County, Colorado. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1950.
MLA (9th ed.) CitationSingewald, Q. D. Gold Placers and Their Geologic Environment in Northwestern Park County, Colorado. United States Department of the Interior, Geological Survey, 1950.
Warning: These citations may not always be 100% accurate.