Cite

Colton's Connecticut : with portions of New York & Rhode Island.

MLA

G. W., et al. Colton's Connecticut : with Portions of New York & Rhode Island. G. W. and C. B. Colton, 1878. https://collections.library.yale.edu/catalog/15654734.

APA, 6th edition

G. W., Colton, C. B., & C. (1878). Colton's Connecticut : with portions of New York & Rhode Island. [Maps]. G. W. and C. B. Colton, https://collections.library.yale.edu/catalog/15654734.