MLA

Simpson, Randolph Linsly, 1927-1992. Studio unknown Copy of painting by Savage of the Washington Family: George and Martha seated; unfurled map on desk between them; two children stand; William Lee, emancipated black house servant stands in background at extreme right. Carte de visite. Box 11, folder 449. circa 1860. https://collections.library.yale.edu/catalog/2003932.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 449"])(circa 1860)[Studio unknown Copy of painting by Savage of the Washington Family: George and Martha seated; unfurled map on desk between them; two children stand; William Lee, emancipated black house servant stands in background at extreme right. Carte de visite]. https://collections.library.yale.edu/catalog/2003932.