MLA

Sotzmann, D. F. Connecticut. Bey Carl Ernst Bohn, 1796. https://collections.library.yale.edu/catalog/10563613.

APA, 6th edition

Sotzmann, D. F. (1796). Connecticut [Maps, Early works to 1800]. Bey Carl Ernst Bohn. https://collections.library.yale.edu/catalog/10563613.