MLA
Wm. Lee Holt : Air-Ship-Kid. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/665h9w0vwg-cor.
APA, 6th edition
Wm. Lee Holt : Air-Ship-Kid (Box 72). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/665h9w0vwg-cor.
Chicago
“Wm. Lee Holt : Air-Ship-Kid.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/665h9w0vwg-cor.