Underwood & Underwood, New York & Ottawa, Kas.; Arlington, NJ Copyright 1891 by Geo. Barker "5701" (in pencil) "Harvesting the Cocoanuts, Florida, U.S.A." Stereograph grey card
MLA
Simpson, Randolph Linsly, 1927-1992. Underwood & Underwood, New York & Ottawa, Kas.; Arlington, NJ Copyright 1891 by Geo. Barker "5701" (in pencil) "Harvesting the Cocoanuts, Florida, U.S.A." Stereograph grey card. Box 13, folder 671. 1891. https://collections.library.yale.edu/catalog/32582676.
APA, 6th edition
Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 671"])(1891)[Underwood & Underwood, New York & Ottawa, Kas.; Arlington, NJ Copyright 1891 by Geo. Barker "5701" (in pencil) "Harvesting the Cocoanuts, Florida, U.S.A." Stereograph grey card]. https://collections.library.yale.edu/catalog/32582676.