APA (7th ed.) Citation

Illinois State Geological Survey. (1957). Illinois State Geological Survey bulletin. [Illinois State Geological Survey].

Chicago Style (17th ed.) Citation

Illinois State Geological Survey. Illinois State Geological Survey Bulletin. Urbana: [Illinois State Geological Survey], 1957.

MLA (8th ed.) Citation

Illinois State Geological Survey. Illinois State Geological Survey Bulletin. [Illinois State Geological Survey], 1957.

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