MLA

Simpson, Randolph Linsly, 1927-1992. J.P. Ball, Cincinnati, OH Full length formal portrait of woman in dark dress, standing behind balustrade. Carte de visite. Box 11, folder 479. circa 1868. https://collections.library.yale.edu/catalog/2016951.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 479"])(circa 1868)[J.P. Ball, Cincinnati, OH Full length formal portrait of woman in dark dress, standing behind balustrade. Carte de visite]. https://collections.library.yale.edu/catalog/2016951.