Cite

[Maps of the locations of the Providence, Webster, and Springfield Railroad Company within Massachusetts].

MLA

[Maps of the Locations of the Providence, Webster, and Springfield Railroad Company within Massachusetts]. s.n., 0AD. https://collections.library.yale.edu/catalog/15654680.

APA, 6th edition

[Maps of the locations of the Providence, Webster, and Springfield Railroad Company within Massachusetts]. (0 C.E.). [Maps]. s.n., https://collections.library.yale.edu/catalog/15654680.