MLA
Manford, Ruth. Unidentified Speakers and Entertainers - Emory Aces, Band. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 1. https://digital.library.emory.edu/purl/491fj6q5tq-cor.
APA, 6th edition
Manford, R. (1940). Unidentified Speakers and Entertainers - Emory Aces, band (Box 7, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/491fj6q5tq-cor.
Chicago
Manford, Ruth. “Unidentified Speakers and Entertainers - Emory Aces, Band.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1940. Box 7, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/491fj6q5tq-cor.