Wedge, W. K., & Hatch, J. R. (1980). Chemical composition of Missouri coals. Missouri Dept. of Natural Resources, Division of Geology and Land Survey.
Chicago Style (17th ed.) CitationWedge, W. K., and Joseph R. Hatch. Chemical Composition of Missouri Coals. Rolla, MO: Missouri Dept. of Natural Resources, Division of Geology and Land Survey, 1980.
MLA (9th ed.) CitationWedge, W. K., and Joseph R. Hatch. Chemical Composition of Missouri Coals. Missouri Dept. of Natural Resources, Division of Geology and Land Survey, 1980.
Warning: These citations may not always be 100% accurate.