Cite

A touch of the yawns [graphic]

MLA

Egerton, M., active 1824-1827, artist. A touch of the yawns [graphic]. [May 1827]. https://collections.library.yale.edu/catalog/15808655.

APA, 6th edition

Egerton, M., active 1824-1827, artist. ([May 1827])[A touch of the yawns [graphic]]. https://collections.library.yale.edu/catalog/15808655.