MLA
Forbes, Edwin, 1839-1895. Life Studies of the Great Army by Edwin Forbes. Steel engravings of warscenes. Plate 1 "The Reveille on the Line of Battle"; "Tattoo in Camp". 1876 approx.. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2smb-cor.
APA, 6th edition
Forbes, Edwin, 1839-1895. (1876 approx.)[Life Studies of the Great Army by Edwin Forbes. Steel engravings of warscenes. Plate 1 "The Reveille on the Line of Battle"; "Tattoo in Camp"]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2smb-cor.
Chicago
Forbes, Edwin, 1839-1895, Life Studies of the Great Army by Edwin Forbes. Steel engravings of warscenes. Plate 1 "The Reveille on the Line of Battle"; "Tattoo in Camp", 1876 approx., Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2smb-cor.