MLA

Simpson, Randolph Linsly, 1927-1992. Sedgwick & Lewis, Photographers, Ithaca, NY Cameo portrait, young man in suit with bowtie. Carte de visite. Box 11, folder 345. circa 1868. https://collections.library.yale.edu/catalog/2003859.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 345"])(circa 1868)[Sedgwick & Lewis, Photographers, Ithaca, NY Cameo portrait, young man in suit with bowtie. Carte de visite]. https://collections.library.yale.edu/catalog/2003859.