MLA

Sauthier, Claude Joseph. Mappa Geographica Provinciæ Novæ Eboraci, Ab Anglis New York Dictæ ... Redacta Cura Claudii Josephi Sauthier ... Sumtibus Homannianor. Heredum, 1778. https://collections.library.yale.edu/catalog/15830794.

APA, 6th edition

Sauthier, C. J. (1778). Mappa geographica provinciæ Novæ Eboraci, ab Anglis New York dictæ ... redacta cura Claudii Josephi Sauthier ... [Maps]. Sumtibus Homannianor. Heredum, https://collections.library.yale.edu/catalog/15830794.