MLA
Galleries, Brady's National Photographic Portrait. Union General George Lucas Hartsuff. E. and H. T. Anthony, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 25. https://digital.library.emory.edu/purl/419s1rn9vn-cor.
APA, 6th edition
Galleries, B. N. P. P. (1861). Union general George Lucas Hartsuff (Box 22, Folder 25) [Cartes-de-visite (card photographs)]. E. and H. T. Anthony; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/419s1rn9vn-cor.
Chicago
Galleries, Brady's National Photographic Portrait. “Union General George Lucas Hartsuff.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY: E. and H. T. Anthony, 1861. Box 22, Folder 25. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/419s1rn9vn-cor.