Kosanke, R. M. (1988). Palynological studies of Middle Pennsylvanian coal beds of the proposed Pennsylvania System stratotype in West Virginia. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationKosanke, Robert M. Palynological Studies of Middle Pennsylvanian Coal Beds of the Proposed Pennsylvania System Stratotype in West Virginia. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1988.
MLA (9th ed.) CitationKosanke, Robert M. Palynological Studies of Middle Pennsylvanian Coal Beds of the Proposed Pennsylvania System Stratotype in West Virginia. Dept. of the Interior, U.S. Geological Survey, 1988.
Warning: These citations may not always be 100% accurate.