MLA
Unidentified Speakers and Entertainers - Unidentified People Eating at Event. 1950. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 13. https://digital.library.emory.edu/purl/412z34tnbp-cor.
APA, 6th edition
Unidentified Speakers and Entertainers - Unidentified people eating at event (Box 6, Folder 13). (1950). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tnbp-cor.
Chicago
“Unidentified Speakers and Entertainers - Unidentified People Eating at Event.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1950. Box 6, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tnbp-cor.