A map of the county of Flanders / [cartographic material] / by William de l'Isle ...
MLA
L'Isle, Guillaume de, 1675-1726. A map of the county of Flanders / [cartographic material] / by William de l'Isle .... BRBL_00684. [1720?]. https://collections.library.yale.edu/catalog/15825227.
APA, 6th edition
L'Isle, Guillaume de, 1675-1726. (["BRBL_00684"])([1720?])[A map of the county of Flanders / [cartographic material] / by William de l'Isle ...]. https://collections.library.yale.edu/catalog/15825227.