MLA
Confederate General John C. Pemberton. 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17, Folder 9. https://digital.library.emory.edu/purl/088qbzkj4j-cor.
APA, 6th edition
Confederate general John C. Pemberton (Box 17, Folder 9). (1861). [Cartes-de-visite (card photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/088qbzkj4j-cor.
Chicago
“Confederate General John C. Pemberton.” Cartes-de-visite (card photographs). Civil War Collection, 1861. Box 17, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/088qbzkj4j-cor.