Cite

Map of the New York & Boston Railway : with its connections with other railways.

MLA

Swett and Powers (Firm). Map of the New York & Boston Railway : with its connections with other railways.. BRBL_00446A. [ca. 1851?]. https://collections.library.yale.edu/catalog/15606976.

APA, 6th edition

Swett and Powers (Firm). (["BRBL_00446A"])([ca. 1851?])[Map of the New York & Boston Railway : with its connections with other railways.]. https://collections.library.yale.edu/catalog/15606976.