Kottlowski, F. E. (1960). Geology and coal deposits of the Switz City quadrangle, Greene County, Indiana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationKottlowski, Frank Edward. Geology and Coal Deposits of the Switz City Quadrangle, Greene County, Indiana. Washington: U.S. Geological Survey, 1960.
MLA (9th ed.) CitationKottlowski, Frank Edward. Geology and Coal Deposits of the Switz City Quadrangle, Greene County, Indiana. U.S. Geological Survey, 1960.
Warning: These citations may not always be 100% accurate.