Geological Survey (U.S.), Missouri. Division of Geology and Land Survey, & Pratt, W. P. (1992). Geologic map of the Rolla 1 x 2 quadrangle, Missouri. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Missouri. Division of Geology and Land Survey, and Walden P. Pratt. Geologic Map of the Rolla 1 X 2 Quadrangle, Missouri. Reston, Va.: U.S. Geological Survey, 1992.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of the Rolla 1 X 2 Quadrangle, Missouri. U.S. Geological Survey, 1992.
Warning: These citations may not always be 100% accurate.