APA (7th ed.) Citation

Illinois. Natural History Survey Division. (1988). Illinois Natural History Survey biological notes. The Survey.

Chicago Style (17th ed.) Citation

Illinois. Natural History Survey Division. Illinois Natural History Survey Biological Notes. Champaign, Ill.: The Survey, 1988.

MLA (9th ed.) Citation

Illinois. Natural History Survey Division. Illinois Natural History Survey Biological Notes. The Survey, 1988.

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