MLA
Pomerantz, Stephen. Identified Speakers and Entertainers - Rathskellar[?] Cast Member Shaving. 1982. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 13. https://digital.library.emory.edu/purl/460qrfj7bj-cor.
APA, 6th edition
Pomerantz, S. (1982). Identified Speakers and Entertainers - Rathskellar[?] cast member shaving (Box 6, Folder 13) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/460qrfj7bj-cor.
Chicago
Pomerantz, Stephen. “Identified Speakers and Entertainers - Rathskellar[?] Cast Member Shaving.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1982. Box 6, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/460qrfj7bj-cor.