Map of Salem, Oregon / published by Union Title Abstract Co. ; E.G. Eagleson, draughtsman.
MLA
Eagleson, E. G. Map of Salem, Oregon / Published by Union Title Abstract Co. ; E.G. Eagleson, Draughtsman. Union Title Abstract Co., 1892. https://collections.library.yale.edu/catalog/15821597.
APA, 6th edition
Eagleson, E. G. (1892). Map of Salem, Oregon / published by Union Title Abstract Co. ; E.G. Eagleson, draughtsman. [Maps]. Union Title Abstract Co., https://collections.library.yale.edu/catalog/15821597.