MLA

An Emblem of Wisdom Made of Wood [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/33245671.

APA, 6th edition

An emblem of wisdom made of wood [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1820, Etchings England London 1820, Annotations (Provenance) 19th century, Watermarks (Paper) 1818]. publisher not identified. https://collections.library.yale.edu/catalog/33245671.