MLA

Simpson, Randolph Linsly, 1927-1992. H.C. White Co. Chicago, New York, London North Bennington, VT "5014 -- 'No, sah! I ain't seed yuh chickens.'" Stereograph, grey card. Box 13, folder 662. 1901. https://collections.library.yale.edu/catalog/2057859.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 662"])(1901)[H.C. White Co. Chicago, New York, London North Bennington, VT "5014 -- 'No, sah! I ain't seed yuh chickens.'" Stereograph, grey card]. https://collections.library.yale.edu/catalog/2057859.