Cite

Anderson's new guide map of the city of Seattle and environs, Washington / compiled from latest official records by O.P. Anderson and Co., engineers and draughtsmen, July 1890.

MLA

Anderson, O. P., and Co. Anderson's New Guide Map of the City of Seattle and Environs, Washington / Compiled from Latest Official Records by O.P. Anderson and Co., Engineers and Draughtsmen, July 1890. O.P. Anderson & Co., 1890. https://collections.library.yale.edu/catalog/15821660.

APA, 6th edition

Anderson, O. P., & C. (1890). Anderson's new guide map of the city of Seattle and environs, Washington / compiled from latest official records by O.P. Anderson and Co., engineers and draughtsmen, July 1890. [Maps]. O.P. Anderson & Co., https://collections.library.yale.edu/catalog/15821660.