MLA
Nat Towles and His Orchestra. 1937. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/4881jwsttx-cor.
APA, 6th edition
Nat Towles and his Orchestra (Box 70). (1937). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsttx-cor.
Chicago
“Nat Towles and His Orchestra.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1937. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsttx-cor.