Cite

Map of Boston and its Vicinity by John G. Hales.

MLA

Map of Boston and Its Vicinity by John G. Hales. John G. Hales, 1819. https://collections.library.yale.edu/catalog/15654592.

APA, 6th edition

Map of Boston and its Vicinity by John G. Hales. (1819). [Maps]. John G. Hales, https://collections.library.yale.edu/catalog/15654592.