MLA
Street Scene in St. Thomas, Virgin Islands : a Boy Standing on the Steps. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 77. https://digital.library.emory.edu/purl/750tqjq2cv-cor.
APA, 6th edition
Street scene in St. Thomas, Virgin Islands : a boy standing on the steps (Box 77). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/750tqjq2cv-cor.
Chicago
“Street Scene in St. Thomas, Virgin Islands : a Boy Standing on the Steps.” 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/750tqjq2cv-cor.