Guide to reference books.
Supplement.
APA Citation
Winchell, C. M. (Constance Mabel)., Sheehy, E. P. (Eugene Paul)., American Library Association. Guide to reference books. Chicago: American Library Association.
MLA Citation
Winchell, Constance M. (Constance Mabel), 1896-, Eugene P. (Eugene Paul) Sheehy, and American Library Association. Guide to Reference Books. Chicago: American Library Association,
Warning: These citations may not always be complete (especially for serials).