MLA
Studio, Elliotts' Peachtree. Unidentified Speakers and Entertainers - Portrait Photograph of a Unidentified Woman. 1950. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 2. https://digital.library.emory.edu/purl/24298sf873-cor.
APA, 6th edition
Studio, E. P. (1950). Unidentified Speakers and Entertainers - Portrait photograph of a unidentified woman (Box 7, Folder 2) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24298sf873-cor.
Chicago
Studio, Elliotts' Peachtree. “Unidentified Speakers and Entertainers - Portrait Photograph of a Unidentified Woman.” 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/24298sf873-cor.