New guide to reference books,
by Isadore Gilbert Mudge ... Based on the 3d edition of Guide to the study and use of reference books by Alice Bertha Kroeger as revised by I. G. Mudge.
APA Citation
Mudge, I. Gilbert., Kroeger, A. Bertha., American Library Association. (1923). New guide to reference books. Chicago: American library association.
MLA Citation
Mudge, Isadore Gilbert, 1875-1957, Alice Bertha Kroeger, and American Library Association. New Guide to Reference Books. Chicago: American library association, 1923.
Warning: These citations may not always be complete (especially for serials).