Martinico, one of the Caribbee Islands in the West Indies subject to the French / [cartographic material] / according to the observations of Mr. Houel engineer ; by Thos. Jefferys, geographer to His Royal Highness the Prince.
MLA
Hoüel, Jean-Pierre-Laurent, 1735-1813, Jefferys, Thomas, d. 1771. Martinico, one of the Caribbee Islands in the West Indies subject to the French / [cartographic material] / according to the observations of Mr. Houel engineer ; by Thos. Jefferys, geographer to His Royal Highness the Prince.. [1768]. https://collections.library.yale.edu/catalog/10563626.
APA, 6th edition
Hoüel, Jean-Pierre-Laurent, 1735-1813, & Jefferys, Thomas, d. 1771. ([1768])[Martinico, one of the Caribbee Islands in the West Indies subject to the French / [cartographic material] / according to the observations of Mr. Houel engineer ; by Thos. Jefferys, geographer to His Royal Highness the Prince.]. https://collections.library.yale.edu/catalog/10563626.