Cite

Map showing the Galena & Chicago Union Railroad and its connections.

MLA

Map Showing the Galena & Chicago Union Railroad and Its Connections. Mendel & Atwood, Lith., 1853. https://collections.library.yale.edu/catalog/15814451.

APA, 6th edition

Map showing the Galena & Chicago Union Railroad and its connections. (1853). [Maps]. Mendel & Atwood, Lith., https://collections.library.yale.edu/catalog/15814451.