Interim guidelines for the use of Illinois Research and Reference Centers.
APA Citation
Illinois State Library. (1967). Interim guidelines for the use of Illinois Research and Reference Centers. [Springfield, Ill.: Illinois State Library.
MLA Citation
Illinois State Library. Interim Guidelines for the Use of Illinois Research And Reference Centers. [Springfield, Ill.: Illinois State Library, 1967.
Warning: These citations may not always be complete (especially for serials).