MLA

Frontispiece and Its Explanation [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/16034727.

APA, 6th edition

Frontispiece and its explanation [graphic]. (0 C.E.). [Illustrations, Caricatures and cartoons, Frontispieces, Emblem pictures, Satires (Visual works) England 1770, Book illustrations, Engravings England London 1770, Etchings England London 1770]. publisher not identified. https://collections.library.yale.edu/catalog/16034727.