MLA
Rockefeller Hall at Spelman College, Atlanta, Georgia. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/255z612jq9-cor.
APA, 6th edition
Rockefeller Hall at Spelman College, Atlanta, Georgia (Box 69). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/255z612jq9-cor.
Chicago
“Rockefeller Hall at Spelman College, Atlanta, Georgia.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/255z612jq9-cor.