Cite

Little blue book

MLA

Bowers, John Hugh, 1875-1923, Haldeman-Julius, E. (Emanuel), 1888-1951. Little blue book. c1923. https://collections.library.yale.edu/catalog/10800584.

APA, 6th edition

Bowers, John Hugh, 1875-1923, & Haldeman-Julius, E. (Emanuel), 1888-1951. (c1923)[Little blue book]. https://collections.library.yale.edu/catalog/10800584.