Raymond, W. H., King, R. U., & Norton, J. J. (1975). Anomalous concentrations of several metals in iron-formation of the Blue Lead Mountain area, Pennington County, South Dakota. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationRaymond, William H., Robert U. King, and James J. Norton. Anomalous Concentrations of Several Metals in Iron-formation of the Blue Lead Mountain Area, Pennington County, South Dakota. [Reston, Virginia]: United States Department of the Interior, Geological Survey, 1975.
MLA (9th ed.) CitationRaymond, William H., et al. Anomalous Concentrations of Several Metals in Iron-formation of the Blue Lead Mountain Area, Pennington County, South Dakota. United States Department of the Interior, Geological Survey, 1975.