MLA

Simpson, Randolph Linsly, 1927-1992. C.H. Gallup, Poughkeepsie, NY Photograph of a cartoon: black man using hub and two spokes of wagon wheel photographs family with dog on the beach. Boats on water; covered wagon approaches from the distance. "The amateur" (recto in negative). Cabinet photograph. Box 9, folder 282. circa 1890. https://collections.library.yale.edu/catalog/2002333.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 9, folder 282"])(circa 1890)[C.H. Gallup, Poughkeepsie, NY Photograph of a cartoon: black man using hub and two spokes of wagon wheel photographs family with dog on the beach. Boats on water; covered wagon approaches from the distance. "The amateur" (recto in negative). Cabinet photograph]. https://collections.library.yale.edu/catalog/2002333.