APA (7th ed.) Citation

Hansel, A. K. (1999). Glacial sediments, landforms, paleosols, and a 20,000-year-old forest bed in East-Central Illinois. Dept. of Natural Resources, Illinois State Geological Survey.

Chicago Style (17th ed.) Citation

Hansel, Ardith K. Glacial Sediments, Landforms, Paleosols, and a 20,000-year-old Forest Bed in East-Central Illinois. Champaign, IL: Dept. of Natural Resources, Illinois State Geological Survey, 1999.

MLA (9th ed.) Citation

Hansel, Ardith K. Glacial Sediments, Landforms, Paleosols, and a 20,000-year-old Forest Bed in East-Central Illinois. Dept. of Natural Resources, Illinois State Geological Survey, 1999.