MLA

Woodward, G. M. (George Moutard), approximately 1760-1809, artist. Matrimonial comforts!! a curtain lecture!! / [art original]. [approximately 1799]. https://collections.library.yale.edu/catalog/10952722.

APA, 6th edition

Woodward, G. M. (George Moutard), approximately 1760-1809, artist. ([approximately 1799])[Matrimonial comforts!! a curtain lecture!! / [art original]]. https://collections.library.yale.edu/catalog/10952722.