APA (7th ed.) Citation

Illinois. Natural History Survey Division. (1918). Bulletin - Illinois Natural History Survey. [State of Illinois, Dept. of Registration and Education, Natural History Survey Division].

Chicago Style (17th ed.) Citation

Illinois. Natural History Survey Division. Bulletin - Illinois Natural History Survey. [Urbana, Ill.]: [State of Illinois, Dept. of Registration and Education, Natural History Survey Division], 1918.

MLA (8th ed.) Citation

Illinois. Natural History Survey Division. Bulletin - Illinois Natural History Survey. [State of Illinois, Dept. of Registration and Education, Natural History Survey Division], 1918.