Erie Railroad with branches and connections / Office of Chief Engineer.
MLA
Erie Railroad with Branches and Connections / Office of Chief Engineer. Von Hardenburg Co. Maps, 1908. https://collections.library.yale.edu/catalog/15827782.
APA, 6th edition
Erie Railroad with branches and connections / Office of Chief Engineer. (1908). [Maps]. Von Hardenburg Co. Maps, https://collections.library.yale.edu/catalog/15827782.