Cite

Flamm's new map of Baltimore, 1894.

MLA

Flamm, Wm. A., and Co. Flamm's New Map of Baltimore, 1894. Flamm & Co.], 1894. https://collections.library.yale.edu/catalog/15811181.

APA, 6th edition

Flamm, W. A., & C. (1894). Flamm's new map of Baltimore, 1894. [Maps]. Flamm & Co.], https://collections.library.yale.edu/catalog/15811181.