MLA
Blanche Calloway on Stage Conducting. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/668x95x6fz-cor.
APA, 6th edition
Blanche Calloway on stage conducting (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x6fz-cor.
Chicago
“Blanche Calloway on Stage Conducting.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x6fz-cor.