MLA
Pitas, O. B. Five African American Men an Women behind a WJBK Radio Microphone. 1939. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/709w0vt4f2-cor.
APA, 6th edition
Pitas, O. B. (1939). Five African American men an women behind a WJBK radio microphone (Box 73) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/709w0vt4f2-cor.
Chicago
Pitas, O. B. “Five African American Men an Women behind a WJBK Radio Microphone.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1939. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/709w0vt4f2-cor.