MLA
Rose, N. H. A Picture of a Man at the Gallows before and after Hanging. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/030prr4xn7-cor.
APA, 6th edition
Rose, N. H. A picture of a man at the gallows before and after hanging (Box 8) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/030prr4xn7-cor.
Chicago
Rose, N. H. “A Picture of a Man at the Gallows before and after Hanging.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/030prr4xn7-cor.