MLA
Identified Speakers and Entertainers - Ruel B. Gilbert. Emory University. Office of Alumni Publications., 1947. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 12. https://digital.library.emory.edu/purl/453wstqk8v-cor.
APA, 6th edition
Identified Speakers and Entertainers - Ruel B. Gilbert (Box 6, Folder 12). (1947). [Black-and-white photographs]. Emory University. Office of Alumni Publications.; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqk8v-cor.
Chicago
“Identified Speakers and Entertainers - Ruel B. Gilbert.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs. Emory University. Office of Alumni Publications., 1947. Box 6, Folder 12. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqk8v-cor.