Bergstrom, J. R. (1956). The General geology of uranium in southwestern North Dakota. North Dakota Geological Survey.
Chicago Style (17th ed.) CitationBergstrom, John R. The General Geology of Uranium in Southwestern North Dakota. Grand Forks, N.D.: North Dakota Geological Survey, 1956.
MLA (9th ed.) CitationBergstrom, John R. The General Geology of Uranium in Southwestern North Dakota. North Dakota Geological Survey, 1956.
Warning: These citations may not always be 100% accurate.