MLA

Coast, U. S., and Geodetic Survey. North West Coast of America. U.S. Coast and Geodetic Survey?, 1886. https://collections.library.yale.edu/catalog/15535555.

APA, 6th edition

Coast, U. S., & Survey, G. (1886). North west coast of America. [Maps]. U.S. Coast and Geodetic Survey?, https://collections.library.yale.edu/catalog/15535555.