MLA
Elmer Washington Bryant Playing a Grand Piano. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 53. https://digital.library.emory.edu/purl/358bg79ct0-cor.
APA, 6th edition
Elmer Washington Bryant playing a grand piano (Box 53). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/358bg79ct0-cor.
Chicago
“Elmer Washington Bryant Playing a Grand Piano.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 53. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/358bg79ct0-cor.