MLA
Gurney, J., and Son. Former United States Secretary of the Navy and Statesman George Bancroft. J. Gurney & Son, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 2. https://digital.library.emory.edu/purl/020fttf050-cor.
APA, 6th edition
Gurney, J., & S. (1861). Former United States Secretary of the Navy and statesman George Bancroft (Box 22, Folder 2) [Cartes-de-visite (card photographs)]. J. Gurney & Son; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/020fttf050-cor.
Chicago
Gurney, J., and Son. “Former United States Secretary of the Navy and Statesman George Bancroft.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY: J. Gurney & Son, 1861. Box 22, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/020fttf050-cor.