APA (7th ed.) Citation

(1974). Guide to Illinois library resources. Edited by Robert B. Downs for the Illinois State Library.

Chicago Style (17th ed.) Citation

Guide to Illinois Library Resources. Edited by Robert B. Downs for the Illinois State Library. 1974.

MLA (9th ed.) Citation

Guide to Illinois Library Resources. Edited by Robert B. Downs for the Illinois State Library. 1974.

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