Cite

Hammond's new road map of Rhode Island and southeastern Massachusetts.

MLA

Hammond, C. S., and Company. Hammond's New Road Map of Rhode Island and Southeastern Massachusetts. C.S. Hammond & Co., 0AD. https://collections.library.yale.edu/catalog/15827681.

APA, 6th edition

Hammond, C. S., & C. (0 C.E.). Hammond's new road map of Rhode Island and southeastern Massachusetts. [Road maps]. C.S. Hammond & Co., https://collections.library.yale.edu/catalog/15827681.