Sheldon, R. P. (1953). Stratigraphic sections of the Phosphoria Formation in Wyoming, 1949-50. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationSheldon, Richard Porter. Stratigraphic Sections of the Phosphoria Formation in Wyoming, 1949-50. Washington, D.C.: United States Department of the Interior, Geological Survey, 1953.
MLA (9th ed.) CitationSheldon, Richard Porter. Stratigraphic Sections of the Phosphoria Formation in Wyoming, 1949-50. United States Department of the Interior, Geological Survey, 1953.
Warning: These citations may not always be 100% accurate.