MLA

Simpson, Randolph Linsly, 1927-1992. J.P. Ball, 30 West 4th Street, [Cincinnati, OH] Cameo portrait of James Le Boutilliere; man in coat and vest with stripped cravat. Carte de visite. Box 11, folder 415. circa 1865. https://collections.library.yale.edu/catalog/2004015.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 415"])(circa 1865)[J.P. Ball, 30 West 4th Street, [Cincinnati, OH] Cameo portrait of James Le Boutilliere; man in coat and vest with stripped cravat. Carte de visite]. https://collections.library.yale.edu/catalog/2004015.