MLA

Engraving, Federal, and Publishing Co. Bird's Eye View of Boston Harbor and South Shore to Provincetown : Showing Steamboat Routes. Published by John F. Murphy, 0AD. https://collections.library.yale.edu/catalog/15827434.

APA, 6th edition

Engraving, F., & Co, P. (0 C.E.). Bird's eye view of Boston Harbor and South Shore to Provincetown : showing steamboat routes. [Aerial views]. Published by John F. Murphy, https://collections.library.yale.edu/catalog/15827434.