MLA

Keller, Deane, 1901-1992. Jared Eliot portrait. 20th century [oil portrait]. https://collections.library.yale.edu/catalog/16787516.

APA, 6th edition

Keller, Deane, 1901-1992. (20th century [oil portrait])[Jared Eliot portrait]. https://collections.library.yale.edu/catalog/16787516.