MLA

McNally, Rand, and Company. Wonderful Washington : "the Evergreen State" / Rand McNally & Co., Printers & Engravers. Passenger Traffic Department of the Great Northern Railway, 0AD. https://collections.library.yale.edu/catalog/15821706.

APA, 6th edition

McNally, R., & C. (0 C.E.). Wonderful Washington : "the Evergreen State" / Rand McNally & Co., printers & engravers. [Maps]. Passenger Traffic Department of the Great Northern Railway, https://collections.library.yale.edu/catalog/15821706.