MLA
African American Men Sitting at a Piano. 1903. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 10. https://digital.library.emory.edu/purl/023vt4b8nm-cor.
APA, 6th edition
African American men sitting at a piano (Box 10). (1903). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/023vt4b8nm-cor.
Chicago
“African American Men Sitting at a Piano.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1903. Box 10. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/023vt4b8nm-cor.