MLA

Desmonts, J., and James Macdonald Co. Blue Book. 1906. https://collections.library.yale.edu/catalog/10840914.

APA, 6th edition

Desmonts, J., & Co, J. M. (1906). Blue book. [Advertisements, Binders' stamps (Binding)--James Macdonald Co.--local--CtY-BR, illustrations (AAT), Periodicals]. https://collections.library.yale.edu/catalog/10840914.