MLA

Jefferys, Thomas, d. 1771. A new plan of the city and liberty of Westminster ... / drawn & engraved by Thomas Jefferys .... BRBL_00048. https://collections.library.yale.edu/catalog/15259838.

APA, 6th edition

Jefferys, Thomas, d. 1771. (["BRBL_00048"])[A new plan of the city and liberty of Westminster ... / drawn & engraved by Thomas Jefferys ...]. https://collections.library.yale.edu/catalog/15259838.