MLA
John Brown's Headstone and Tablet at John Brown's Farm, Adirondacks, N.Y. 1932. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/139x0k6dnf-cor.
APA, 6th edition
John Brown's headstone and tablet at John Brown's Farm, Adirondacks, N.Y. (Box 69). (1932). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/139x0k6dnf-cor.
Chicago
“John Brown's Headstone and Tablet at John Brown's Farm, Adirondacks, N.Y.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1932. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/139x0k6dnf-cor.