MLA

Cook, James, fl. 1766. A draught of Port Royal Harbour in South Carolina : with the marks for going in : most humbly inscribed to the publick. Decr. 1766.. https://collections.library.yale.edu/catalog/2040304.

APA, 6th edition

Cook, James, fl. 1766. (Decr. 1766.)[A draught of Port Royal Harbour in South Carolina : with the marks for going in : most humbly inscribed to the publick]. https://collections.library.yale.edu/catalog/2040304.