MLA
Bachrach, Fabian. Identified Speakers and Entertainers - Dr. Alfred Blalock, Surgeon. 1946. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 11. https://digital.library.emory.edu/purl/6451g1jxfv-cor.
APA, 6th edition
Bachrach, F. (1946). Identified Speakers and Entertainers - Dr. Alfred Blalock, surgeon (Box 6, Folder 11) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jxfv-cor.
Chicago
Bachrach, Fabian. “Identified Speakers and Entertainers - Dr. Alfred Blalock, Surgeon.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1946. Box 6, Folder 11. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jxfv-cor.