MLA
Harmon, Brad. Identified Speakers and Entertainers - Rathskellar Cast Members, Andy Ordover, Diane Rosenberg, Mark Peters, and an Unidentified Person Performing Planet of the Grapes[?] Sketch. 1983. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 13. https://digital.library.emory.edu/purl/1676t1g248-cor.
APA, 6th edition
Harmon, B. (1983). Identified Speakers and Entertainers - Rathskellar cast members, Andy Ordover, Diane Rosenberg, Mark Peters, and an unidentified person performing Planet of the Grapes[?] sketch (Box 6, Folder 13) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1676t1g248-cor.
Chicago
Harmon, Brad. “Identified Speakers and Entertainers - Rathskellar Cast Members, Andy Ordover, Diane Rosenberg, Mark Peters, and an Unidentified Person Performing Planet of the Grapes[?] Sketch.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1983. Box 6, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1676t1g248-cor.