APA (7th ed.) Citation

Illinois Natural History Survey. (2001). Biological notes. Natural History Survey Division.

Chicago Style (17th ed.) Citation

Illinois Natural History Survey. Biological Notes. Urbana, Ill: Natural History Survey Division, 2001.

MLA (8th ed.) Citation

Illinois Natural History Survey. Biological Notes. Natural History Survey Division, 2001.

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