Geological Survey (U.S.), McLellan, M. W., & Biewick, L. H. (1989). Geologic map of the Moorhead quadrangle, Powder River County, Montana, and Campbell County, Wyoming. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Marguerite W. McLellan, and Laura H. Biewick. Geologic Map of the Moorhead Quadrangle, Powder River County, Montana, and Campbell County, Wyoming. Reston, Va.: The Survey, 1989.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of the Moorhead Quadrangle, Powder River County, Montana, and Campbell County, Wyoming. The Survey, 1989.
Warning: These citations may not always be 100% accurate.