Wier, C. E., & Hutchison, H. C. (1977). Reduction of sulfur in Indiana coal by washability techniques. State of Indiana, Dept. of Natural Resources, Geological Survey.
Chicago Style (17th ed.) CitationWier, Charles Eugene, and Harold Christy Hutchison. Reduction of Sulfur in Indiana Coal by Washability Techniques. Bloomington: State of Indiana, Dept. of Natural Resources, Geological Survey, 1977.
MLA (9th ed.) CitationWier, Charles Eugene, and Harold Christy Hutchison. Reduction of Sulfur in Indiana Coal by Washability Techniques. State of Indiana, Dept. of Natural Resources, Geological Survey, 1977.
Warning: These citations may not always be 100% accurate.