MLA

Simpson, Randolph Linsly, 1927-1992. French Studio, 10 Bridgman's Block, Keene NH Middle aged man in suit and full tie. Carte de visite. Box 11, folder 487. circa 1890. https://collections.library.yale.edu/catalog/2003958.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 487"])(circa 1890)[French Studio, 10 Bridgman's Block, Keene NH Middle aged man in suit and full tie. Carte de visite]. https://collections.library.yale.edu/catalog/2003958.