Cite

Railroad map of Illinois / prepared under the direction of, and presented by John R. Wheeler, Isaac N. Phillips, and J.C. Willis, Railroad and Warehouse Commissioners.

MLA

McNally, Rand, and Company. Railroad Map of Illinois / Prepared under the Direction of, and Presented by John R. Wheeler, Isaac N. Phillips, and J.C. Willis, Railroad and Warehouse Commissioners. Rand, McNally & Co., 1892. https://collections.library.yale.edu/catalog/15814447.

APA, 6th edition

McNally, R., & C. (1892). Railroad map of Illinois / prepared under the direction of, and presented by John R. Wheeler, Isaac N. Phillips, and J.C. Willis, Railroad and Warehouse Commissioners. [Annotations (Provenance)--19th century., Maps]. Rand, McNally & Co., https://collections.library.yale.edu/catalog/15814447.