Cite

O tempora, o mores! [graphic]

MLA

Alken, Samuel, 1756-1815, printmaker. O tempora, o mores! [graphic]. [January 1787]. https://collections.library.yale.edu/catalog/11791513.

APA, 6th edition

Alken, Samuel, 1756-1815, printmaker. ([January 1787])[O tempora, o mores! [graphic]]. https://collections.library.yale.edu/catalog/11791513.