MLA
Hill, William. Unidentified Speakers and Entertainers - RHA Oktoberfest Rocky Horror. 1980. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 2. https://digital.library.emory.edu/purl/880ht76j2h-cor.
APA, 6th edition
Hill, W. (1980). Unidentified Speakers and Entertainers - RHA Oktoberfest Rocky Horror (Box 7, Folder 2) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/880ht76j2h-cor.
Chicago
Hill, William. “Unidentified Speakers and Entertainers - RHA Oktoberfest Rocky Horror.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1980. Box 7, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/880ht76j2h-cor.