MLA
Confederate General Gabriel James Rains. E. and H. T. Anthony, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17, Folder 13. https://digital.library.emory.edu/purl/641mgqnmfp-cor.
APA, 6th edition
Confederate general Gabriel James Rains (Box 17, Folder 13). (1861). [Cartes-de-visite (card photographs)]. E. and H. T. Anthony; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/641mgqnmfp-cor.
Chicago
“Confederate General Gabriel James Rains.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY: E. and H. T. Anthony, 1861. Box 17, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/641mgqnmfp-cor.