Cite

Map of Gloucester & vicinity / published for Chas. D. Brown, Gloucester, Mass.

MLA

Brown, Charles D. Map of Gloucester & Vicinity / Published for Chas. D. Brown, Gloucester, Mass. G.H. Walker & Co, 1897. https://collections.library.yale.edu/catalog/15654618.

APA, 6th edition

Brown, C. D. (1897). Map of Gloucester & vicinity / published for Chas. D. Brown, Gloucester, Mass. [Maps]. G.H. Walker & Co, https://collections.library.yale.edu/catalog/15654618.