Cite

[A postillion] [art original].

MLA

Bunbury, Henry William, 1750-1811, artist. [A postillion] [art original].. [ca. 1770]. https://collections.library.yale.edu/catalog/17355495.

APA, 6th edition

Bunbury, Henry William, 1750-1811, artist. ([ca. 1770])[[A postillion] [art original].]. https://collections.library.yale.edu/catalog/17355495.