MLA
Chapman, Conrad Wise. Submarine Torpedo-Boat H.L. Hunley, on Dock in Charleston, South Carolina. Engraving Based on Painting by Conrad Wise Chapman. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP9, Folder 10. https://digital.library.emory.edu/purl/081wdbrw7n-cor.
APA, 6th edition
Chapman, C. W. (1863). Submarine torpedo-boat H.L. Hunley, on dock in Charleston, South Carolina. Engraving based on painting by Conrad Wise Chapman (OP9, Folder 10) [Engravings (prints)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/081wdbrw7n-cor.
Chicago
Chapman, Conrad Wise. “Submarine Torpedo-Boat H.L. Hunley, on Dock in Charleston, South Carolina. Engraving Based on Painting by Conrad Wise Chapman.” Engravings (prints). Civil War Collection, 1863. OP9, Folder 10. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/081wdbrw7n-cor.