MLA
Roberts, Joshua. Identified Speakers and Entertainers - Sam Donaldson, News Anchor. 1982. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 2. https://digital.library.emory.edu/purl/1439zw3rpx-cor.
APA, 6th edition
Roberts, J. (1982). Identified Speakers and Entertainers - Sam Donaldson, news anchor (Box 7, Folder 2) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1439zw3rpx-cor.
Chicago
Roberts, Joshua. “Identified Speakers and Entertainers - Sam Donaldson, News Anchor.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1982. Box 7, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1439zw3rpx-cor.