MLA
A., Varin. Engraving of Confederate General Thomas "Stonewall" Jackson. M. Knoedler. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP9, Folder 13. https://digital.library.emory.edu/purl/24298sf8sx-cor.
APA, 6th edition
A., V. Engraving of Confederate General Thomas "Stonewall" Jackson (OP9, Folder 13) [Engravings (prints)]. M. Knoedler; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24298sf8sx-cor.
Chicago
A., Varin. “Engraving of Confederate General Thomas ‘Stonewall’ Jackson.” Engravings (prints). Civil War Collection. New York City, NY: M. Knoedler, n.d. OP9, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24298sf8sx-cor.