Cite

[Railroads of the Lake States, from Great Lakes to Ohio River]

MLA

[Railroads of the Lake States, from Great Lakes to Ohio River]. Sarony and Major, lith., 1850. https://collections.library.yale.edu/catalog/15603989.

APA, 6th edition

[Railroads of the Lake States, from Great Lakes to Ohio River]. (1850). [Maps]. Sarony and Major, lith., https://collections.library.yale.edu/catalog/15603989.