Cite

Map of the Williamsport and Elmira rail road : with its connections.

MLA

Map of the Williamsport and Elmira Rail Road : with Its Connections. W.H. Arthur & Co., 186AD. https://collections.library.yale.edu/catalog/15604003.

APA, 6th edition

Map of the Williamsport and Elmira rail road : with its connections. (186 C.E.). [Maps]. W.H. Arthur & Co., https://collections.library.yale.edu/catalog/15604003.