Cite

Little blue book

MLA

Haldeman-Julius, E. (Emanuel), 1888-1951, Tennyson, Alfred Tennyson, Baron, 1809-1892. Little blue book. Undated. https://collections.library.yale.edu/catalog/10800585.

APA, 6th edition

Haldeman-Julius, E. (Emanuel), 1888-1951, & Tennyson, Alfred Tennyson, Baron, 1809-1892. (Undated)[Little blue book]. https://collections.library.yale.edu/catalog/10800585.