MLA

Simpson, Randolph Linsly, 1927-1992. G. F...(partially obliterated), Watkins, NY Three quarter length portrait, young man seated in three piece suit in tasseled chair. Carte de visite. Box 11, folder 394. circa 1870. https://collections.library.yale.edu/catalog/2003900.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 394"])(circa 1870)[G. F...(partially obliterated), Watkins, NY Three quarter length portrait, young man seated in three piece suit in tasseled chair. Carte de visite]. https://collections.library.yale.edu/catalog/2003900.