Williams' telegraph and rail road map of the New England states : Eastern portion of New York state and Canada/ compiled from the most authentic sources by Alexander Williams.
MLA
Williams, Alexander. Williams' Telegraph and Rail Road Map of the New England States : Eastern Portion of New York State and Canada/ Compiled from the Most Authentic Sources by Alexander Williams. Redding & Co., 1852. https://collections.library.yale.edu/catalog/15606971.
APA, 6th edition
Williams, A. (1852). Williams' telegraph and rail road map of the New England states : Eastern portion of New York state and Canada/ compiled from the most authentic sources by Alexander Williams. [Maps]. Redding & Co., https://collections.library.yale.edu/catalog/15606971.