MLA

Simpson, Randolph Linsly, 1927-1992. Studio unknown Full length portrait of John W. Smith; young man standing, three piece suit with three quarter length coat; gold chain. Carte de visite. Box 11, folder 376. circa 1865. https://collections.library.yale.edu/catalog/2003888.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 376"])(circa 1865)[Studio unknown Full length portrait of John W. Smith; young man standing, three piece suit with three quarter length coat; gold chain. Carte de visite]. https://collections.library.yale.edu/catalog/2003888.