MLA

Huber, Jean, 1721-1786, artist. [Découpage with silhouettes of the Duke of Grafton, the Duchess of Grafton, and Voltaire] [art original].. [1761 or 1762]. https://collections.library.yale.edu/catalog/10996720.

APA, 6th edition

Huber, Jean, 1721-1786, artist. ([1761 or 1762])[[Découpage with silhouettes of the Duke of Grafton, the Duchess of Grafton, and Voltaire] [art original].]. https://collections.library.yale.edu/catalog/10996720.