MLA
Brownsville Incident, 1906. 1906. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/716pzgmsft-cor.
APA, 6th edition
Brownsville Incident, 1906 (Box 69). (1906). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/716pzgmsft-cor.
Chicago
“Brownsville Incident, 1906.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1906. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/716pzgmsft-cor.