Cite

Whitney's map of Seattle and environs, Washington / compiled from official records by O.P. Anderson and Co., engineers and draughtsmen, 1890.

MLA

Anderson, O. P., and Co. Whitney's Map of Seattle and Environs, Washington / Compiled from Official Records by O.P. Anderson and Co., Engineers and Draughtsmen, 1890. W.H. Whitney, 1890. https://collections.library.yale.edu/catalog/15821661.

APA, 6th edition

Anderson, O. P., & C. (1890). Whitney's map of Seattle and environs, Washington / compiled from official records by O.P. Anderson and Co., engineers and draughtsmen, 1890. [Maps]. W.H. Whitney, https://collections.library.yale.edu/catalog/15821661.