MLA
Barkin, Mike. Identified Speakers and Entertainers - Rathskellar Cast Members, Mike Diehl and Mark Peters. 1980. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 13. https://digital.library.emory.edu/purl/296wwpzh7g-cor.
APA, 6th edition
Barkin, M. (1980). Identified Speakers and Entertainers - Rathskellar cast members, Mike Diehl and Mark Peters (Box 6, Folder 13) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzh7g-cor.
Chicago
Barkin, Mike. “Identified Speakers and Entertainers - Rathskellar Cast Members, Mike Diehl and Mark Peters.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1980. Box 6, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzh7g-cor.