MLA

Williams, Jonathan, 1929-2008. Painting. A171602. circa 1978-1995. https://collections.library.yale.edu/catalog/2046199.

APA, 6th edition

Williams, Jonathan, 1929-2008. (["A171602"])(circa 1978-1995)[Painting]. https://collections.library.yale.edu/catalog/2046199.