MLA

Carey, Henry Charles, 1793-1879. Porto Rico and Virgin Islands / [cartographic material] / drawn by F. Lucas ; Kneass sc.. BRBL_00696. 1822]. https://collections.library.yale.edu/catalog/15825423.

APA, 6th edition

Carey, Henry Charles, 1793-1879. (["BRBL_00696"])(1822])[Porto Rico and Virgin Islands / [cartographic material] / drawn by F. Lucas ; Kneass sc.]. https://collections.library.yale.edu/catalog/15825423.