MLA
Unidentified Speakers and Entertainers - Man Speaking While It Is Snowing. 1950. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 2. https://digital.library.emory.edu/purl/344pk0p37k-cor.
APA, 6th edition
Unidentified Speakers and Entertainers - Man speaking while it is snowing (Box 7, Folder 2). (1950). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/344pk0p37k-cor.
Chicago
“Unidentified Speakers and Entertainers - Man Speaking While It Is Snowing.” 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/344pk0p37k-cor.