MLA

Hanson, John, and map maker. Map of Puget-Sound and Surroundings, Washington Territory / Drawn by John Hanson with Eastwick, Morris & Co. Eastwick, Morris & Co., 1877. https://collections.library.yale.edu/catalog/15821653.

APA, 6th edition

Hanson, J., & map maker. (1877). Map of Puget-Sound and surroundings, Washington Territory / drawn by John Hanson with Eastwick, Morris & Co. [Maps]. Eastwick, Morris & Co., https://collections.library.yale.edu/catalog/15821653.