MLA

Simpson, Randolph Linsly, 1927-1992. J.F. Aitken, New York, NY Slave auction, from series Rogers Groups; Carte de visite. Box 11, folder 441. circa 1863. https://collections.library.yale.edu/catalog/2111697.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 441"])(circa 1863)[J.F. Aitken, New York, NY Slave auction, from series Rogers Groups; Carte de visite]. https://collections.library.yale.edu/catalog/2111697.