MLA
Identified Speakers and Entertainers - Rathskellar Cast Member Playing Guitar. 1960. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 13. https://digital.library.emory.edu/purl/866vx0k727-cor.
APA, 6th edition
Identified Speakers and Entertainers - Rathskellar cast member playing guitar (Box 6, Folder 13). (1960). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/866vx0k727-cor.
Chicago
“Identified Speakers and Entertainers - Rathskellar Cast Member Playing Guitar.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1960. Box 6, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/866vx0k727-cor.