MLA
Galleries, Brady's National Photographic Portrait. United States Politician and General James Shields. E. Anthony, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 42. https://digital.library.emory.edu/purl/7612ngf30w-cor.
APA, 6th edition
Galleries, B. N. P. P. (1861). United States politician and general James Shields (Box 22, Folder 42) [Cartes-de-visite (card photographs)]. E. Anthony; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7612ngf30w-cor.
Chicago
Galleries, Brady's National Photographic Portrait. “United States Politician and General James Shields.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY: E. Anthony, 1861. Box 22, Folder 42. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7612ngf30w-cor.