MLA
Gurney, J., and Son. Union General Winfield Scott. J. Gurney & Son, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 40. https://digital.library.emory.edu/purl/81289320kx-cor.
APA, 6th edition
Gurney, J., & S. (1861). Union general Winfield Scott (Box 22, Folder 40) [Cartes-de-visite (card photographs)]. J. Gurney & Son; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81289320kx-cor.
Chicago
Gurney, J., and Son. “Union General Winfield Scott.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY: J. Gurney & Son, 1861. Box 22, Folder 40. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81289320kx-cor.