MLA
Students at a School. 1917. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 12. https://digital.library.emory.edu/purl/7956djhb3f-cor.
APA, 6th edition
Students at a school (Box 12). (1917). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb3f-cor.
Chicago
“Students at a School.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1917. Box 12. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb3f-cor.