MLA
Jackass Rope. Quattie a Yard : Two Young Women Holding Rope. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/689d51c5bn-cor.
APA, 6th edition
Jackass rope. Quattie a yard : two young women holding rope (Box 75). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/689d51c5bn-cor.
Chicago
“Jackass Rope. Quattie a Yard : Two Young Women Holding Rope.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/689d51c5bn-cor.