MLA
An African American Entertainer, Harry C. Scott Wearing a Suit and Folding His Arms. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/296wwpzgr5-cor.
APA, 6th edition
An African American entertainer, Harry C. Scott wearing a suit and folding his arms (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgr5-cor.
Chicago
“An African American Entertainer, Harry C. Scott Wearing a Suit and Folding His Arms.” 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/296wwpzgr5-cor.