MLA
Old Sycamore Tree, Jamestown, Va., Separating the Tombs of the Rev. James Blair and His Wife : Sam Robinson, the Guide, in Attendance. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/535t76hdt8-cor.
APA, 6th edition
Old sycamore tree, Jamestown, Va., separating the tombs of the Rev. James Blair and his wife : Sam Robinson, the guide, in attendance (Box 71). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/535t76hdt8-cor.
Chicago
“Old Sycamore Tree, Jamestown, Va., Separating the Tombs of the Rev. James Blair and His Wife : Sam Robinson, the Guide, in Attendance.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/535t76hdt8-cor.