MLA

Simpson, Randolph Linsly, 1927-1992. C.S. Burpee, Beloit, WI Full length portrait of mature man with moustache and light colored hat, standing with hand on pedestal. Cabinet photograph. Box 9, folder 244. circa 1875. https://collections.library.yale.edu/catalog/2002296.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 9, folder 244"])(circa 1875)[C.S. Burpee, Beloit, WI Full length portrait of mature man with moustache and light colored hat, standing with hand on pedestal. Cabinet photograph]. https://collections.library.yale.edu/catalog/2002296.