MLA
Co., Grand Army Photo. Past Commanders-in-Chief, U. S. Army, 1866-1886. 1885. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2, Folder 6. https://digital.library.emory.edu/purl/38279cnqkj-cor.
APA, 6th edition
Co., G. A. P. (1885). Past Commanders-in-Chief, U. S. Army, 1866-1886 (Box 2, Folder 6) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/38279cnqkj-cor.
Chicago
Co., Grand Army Photo. “Past Commanders-in-Chief, U. S. Army, 1866-1886.” Card photographs (photographs). William H. Scott Family Papers, 1848-1982, 1885. Box 2, Folder 6. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/38279cnqkj-cor.