MLA
African American Man Playing a Piano on a Stage. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 25. https://digital.library.emory.edu/purl/856n02v71x-cor.
APA, 6th edition
African American man playing a piano on a stage (Box 25). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v71x-cor.
Chicago
“African American Man Playing a Piano on a Stage.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 25. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v71x-cor.