MLA

McArdell, James, approximately 1729-1765, printmaker. Simon Earl Harcourt : from an original picture by B. Wilson in the possession of William Fauquier Esqr. [between 1740 and 1765]. https://collections.library.yale.edu/catalog/10977914.

APA, 6th edition

McArdell, James, approximately 1729-1765, printmaker. ([between 1740 and 1765])[Simon Earl Harcourt : from an original picture by B. Wilson in the possession of William Fauquier Esqr]. https://collections.library.yale.edu/catalog/10977914.