Swanson, R. W. (1970). Mineral resources in Permian rocks of southwest Montana. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationSwanson, Roger Warren. Mineral Resources in Permian Rocks of Southwest Montana. Washington: United States Department of the Interior, Geological Survey, 1970.
MLA (9th ed.) CitationSwanson, Roger Warren. Mineral Resources in Permian Rocks of Southwest Montana. United States Department of the Interior, Geological Survey, 1970.
Warning: These citations may not always be 100% accurate.