Cite

Map of the Baltimore, Chesapeake & Delaware Bay Railroad

MLA

Smith, John L., 1846-1921, publisher. Map of the Baltimore, Chesapeake & Delaware Bay Railroad. 1874.. https://collections.library.yale.edu/catalog/15604006.

APA, 6th edition

Smith, John L., 1846-1921, publisher. (1874.)[Map of the Baltimore, Chesapeake & Delaware Bay Railroad]. https://collections.library.yale.edu/catalog/15604006.