MLA
Rufus and Rastus : Two Older African American Men Sitting on a Bench. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/426m0cfxs0-cor.
APA, 6th edition
Rufus and Rastus : two older African American men sitting on a bench (Box 72). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/426m0cfxs0-cor.
Chicago
“Rufus and Rastus : Two Older African American Men Sitting on a Bench.” 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/426m0cfxs0-cor.