Peterson, J. A., Gosman, R. F., & Swanson, R. W. (1954). Stratigraphic sections of the Phosphoria Formation in Montana, 1951. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationPeterson, James A., Robert F. Gosman, and Rowena W. Swanson. Stratigraphic Sections of the Phosphoria Formation in Montana, 1951. Washington, D.C.: United States Department of the Interior, Geological Survey, 1954.
MLA (9th ed.) CitationPeterson, James A., et al. Stratigraphic Sections of the Phosphoria Formation in Montana, 1951. United States Department of the Interior, Geological Survey, 1954.
Warning: These citations may not always be 100% accurate.