Sando, W. J., & Dutro, J. T. (1974). Type sections of the Madison Group (Mississippian) and its subdivisions in Montana. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationSando, William Jasper, and J. Thomas Dutro. Type Sections of the Madison Group (Mississippian) and Its Subdivisions in Montana. Washington: United States Department of the Interior, Geological Survey, 1974.
MLA (9th ed.) CitationSando, William Jasper, and J. Thomas Dutro. Type Sections of the Madison Group (Mississippian) and Its Subdivisions in Montana. United States Department of the Interior, Geological Survey, 1974.
Warning: These citations may not always be 100% accurate.