APA (7th ed.) Citation

Voelker, D. C. (1985). A gazetteer of surface-mine lakes, Eastern Interior Coal Province, Illinois. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Voelker, David C. A Gazetteer of Surface-mine Lakes, Eastern Interior Coal Province, Illinois. Urbana, Illinois: U.S. Geological Survey, 1985.

MLA (9th ed.) Citation

Voelker, David C. A Gazetteer of Surface-mine Lakes, Eastern Interior Coal Province, Illinois. U.S. Geological Survey, 1985.