APA (7th ed.) Citation

Midwest Friends of the Pleistocene. Field Conference & Berg, R. C. (1985). Illinoian and Wisconsinan stratigraphy and environments in northern Illinois: The Altonian revised. [Illinois Dept. of Energy and Natural Resources, State Geological Survey Division,].

Chicago Style (17th ed.) Citation

Midwest Friends of the Pleistocene. Field Conference and Richard C. Berg. Illinoian and Wisconsinan Stratigraphy and Environments in Northern Illinois: The Altonian Revised. [Champaign Ill.]: [Illinois Dept. of Energy and Natural Resources, State Geological Survey Division,], 1985.

MLA (9th ed.) Citation

Midwest Friends of the Pleistocene. Field Conference and Richard C. Berg. Illinoian and Wisconsinan Stratigraphy and Environments in Northern Illinois: The Altonian Revised. [Illinois Dept. of Energy and Natural Resources, State Geological Survey Division,], 1985.