MLA
Services, Emory University Photographic. Identified Speakers and Entertainers - Richard H. Rich, Rich's Inc. 1950. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 2. https://digital.library.emory.edu/purl/767wm37qh8-cor.
APA, 6th edition
Services, E. U. P. (1950). Identified Speakers and Entertainers - Richard H. Rich, Rich's Inc. (Box 7, Folder 2) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/767wm37qh8-cor.
Chicago
Services, Emory University Photographic. “Identified Speakers and Entertainers - Richard H. Rich, Rich's Inc.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1950. Box 7, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/767wm37qh8-cor.