New railroad map of Ohio : compiled and drawn by Frank A. Gray / prepared for the report of the commissioner of railroads.
MLA
New Railroad Map of Ohio : Compiled and Drawn by Frank A. Gray / Prepared for the Report of the Commissioner of Railroads. O.W. Gray & Son, 0AD. https://collections.library.yale.edu/catalog/15814343.
APA, 6th edition
New railroad map of Ohio : compiled and drawn by Frank A. Gray / prepared for the report of the commissioner of railroads. (0 C.E.). [Maps]. O.W. Gray & Son, https://collections.library.yale.edu/catalog/15814343.
