Cite

[Man with umbrella walking] [art original].

MLA

Bunbury, Henry William, 1750-1811, artist. [Man with umbrella walking] [art original].. [approximately 1790?]. https://collections.library.yale.edu/catalog/10731189.

APA, 6th edition

Bunbury, Henry William, 1750-1811, artist. ([approximately 1790?])[[Man with umbrella walking] [art original].]. https://collections.library.yale.edu/catalog/10731189.