MLA
Virgin Islands Co-Operative, Inc. Rural Express, St. Thomas, Virgin Islands : a Boy Sitting on a Donkey. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 77. https://digital.library.emory.edu/purl/047rn8pk13-cor.
APA, 6th edition
Virgin Islands Co-Operative, I. Rural express, St. Thomas, Virgin Islands : a boy sitting on a donkey (Box 77) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/047rn8pk13-cor.
Chicago
Virgin Islands Co-Operative, Inc. “Rural Express, St. Thomas, Virgin Islands : a Boy Sitting on a Donkey.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 77. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/047rn8pk13-cor.