MLA
Armistead, Robert H. Soldiers of Our Army. Macfarlane & Fergusson, printers, 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/542n5tb5v4-cor.
APA, 6th edition
Armistead, R. H. (1862). Soldiers of our army. [Southern imprint]. Macfarlane & Fergusson, printers; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/542n5tb5v4-cor.
Chicago
Armistead, Robert H. “Soldiers of Our Army.” Southern imprint. Civil War Imprints. [Richmond]: Macfarlane & Fergusson, printers, 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/542n5tb5v4-cor.