MLA
Gurney, J., and Son. Union Naval Officer Charles Wilkes. 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 49. https://digital.library.emory.edu/purl/6386hdr91g-cor.
APA, 6th edition
Gurney, J., & S. (1861). Union naval officer Charles Wilkes (Box 22, Folder 49) [Cartes-de-visite (card photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr91g-cor.
Chicago
Gurney, J., and Son. “Union Naval Officer Charles Wilkes.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY, 1861. Box 22, Folder 49. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr91g-cor.