APA (7th ed.) Citation

Illinois State Historical Library (Springfield, Ill.). Publication ... of the Illinois State Historical Library.

Chicago Style (17th ed.) Citation

Illinois State Historical Library (Springfield, Ill.). Publication ... of the Illinois State Historical Library. Springfield, Ill.

MLA (9th ed.) Citation

Illinois State Historical Library (Springfield, Ill.). Publication ... of the Illinois State Historical Library.

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