MLA

of Railroad Commissioners, Massachusetts. Board. Map of the Railroads of the State of Massachusetts : Accompanying the Report of the Railroad Commissioners. Rand, Avery & Co. Engravers and Printers, 1882. https://collections.library.yale.edu/catalog/15654678.

APA, 6th edition

of Railroad Commissioners, M. B. (1882). Map of the railroads of the state of Massachusetts : accompanying the report of the Railroad Commissioners. [Maps]. Rand, Avery & Co. Engravers and Printers, https://collections.library.yale.edu/catalog/15654678.