Cite

[Portrait of George Robins writing] [art original]

MLA

Shepherd, Thomas H. (Thomas Hosmer), artist. [Portrait of George Robins writing] [art original]. [1843]. https://collections.library.yale.edu/catalog/17469289.

APA, 6th edition

Shepherd, Thomas H. (Thomas Hosmer), artist. ([1843])[[Portrait of George Robins writing] [art original]]. https://collections.library.yale.edu/catalog/17469289.