Cite

At a concert [graphic]

MLA

Nixon, John, -1818, printmaker. At a concert [graphic]. [178-?]. https://collections.library.yale.edu/catalog/10723344.

APA, 6th edition

Nixon, John, -1818, printmaker. ([178-?])[At a concert [graphic]]. https://collections.library.yale.edu/catalog/10723344.