MLA
Fredericks, Charles D., and Co. Union General Abram Duryée. Charles D. Fredericks & Co, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 12. https://digital.library.emory.edu/purl/675r7sqwhp-cor.
APA, 6th edition
Fredericks, C. D., & C. (1861). Union general Abram Duryée (Box 22, Folder 12) [Cartes-de-visite (card photographs)]. Charles D. Fredericks & Co; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqwhp-cor.
Chicago
Fredericks, Charles D., and Co. “Union General Abram Duryée.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY: Charles D. Fredericks & Co, 1861. Box 22, Folder 12. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqwhp-cor.