MLA
Man Playing Harmonica in Front of a Microphone. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3. https://digital.library.emory.edu/purl/836547d82g-cor.
APA, 6th edition
Man playing harmonica in front of a microphone (Box 3). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/836547d82g-cor.
Chicago
“Man Playing Harmonica in Front of a Microphone.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 3. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/836547d82g-cor.