APA (7th ed.) Citation

Wickham, J. T. (1979). Glacial geology of north-central and western Champaign County, Illinois. Illinois State Geological Survey Division.

Chicago Style (17th ed.) Citation

Wickham, Jerry T. Glacial Geology of North-central and Western Champaign County, Illinois. Urbana: Illinois State Geological Survey Division, 1979.

MLA (9th ed.) Citation

Wickham, Jerry T. Glacial Geology of North-central and Western Champaign County, Illinois. Illinois State Geological Survey Division, 1979.