APA (7th ed.) Citation

Downs, R. B. (1974). Guide to Illinois library resources. Published in cooperation with the Illinois State Library Association by the American Library Association.

Chicago Style (17th ed.) Citation

Downs, Robert Bingham. Guide to Illinois Library Resources. Chicago: Published in cooperation with the Illinois State Library Association by the American Library Association, 1974.

MLA (9th ed.) Citation

Downs, Robert Bingham. Guide to Illinois Library Resources. Published in cooperation with the Illinois State Library Association by the American Library Association, 1974.