MLA
Scott, W. Ray. An African American Man Playing Banjo. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/4988gthtbh-cor.
APA, 6th edition
Scott, W. R. An African American man playing banjo (Box 70) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4988gthtbh-cor.
Chicago
Scott, W. Ray. “An African American Man Playing Banjo.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4988gthtbh-cor.