MLA
Picture of Young Man, to or from Elder Charles Beck, with Trumpet. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 26. https://digital.library.emory.edu/purl/965v6wwq3x-cor.
APA, 6th edition
Picture of young man, to or from Elder Charles Beck, with trumpet (Box 26). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwq3x-cor.
Chicago
“Picture of Young Man, to or from Elder Charles Beck, with Trumpet.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 26. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwq3x-cor.