APA (7th ed.) Citation

Kosanke, R. M. (1960). Classification of the Pennsylvanian strata of Illinois. Illinois State Geological Survey.

Chicago Style (17th ed.) Citation

Kosanke, Robert M. Classification of the Pennsylvanian Strata of Illinois. Urbana: Illinois State Geological Survey, 1960.

MLA (9th ed.) Citation

Kosanke, Robert M. Classification of the Pennsylvanian Strata of Illinois. Illinois State Geological Survey, 1960.

Warning: These citations may not always be 100% accurate.