MLA
Union Patriotic Envelopes - Cartoon in Red Ink, "A Bird's Eye View of the Great Southern Loan". 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 21, Folder 9. https://digital.library.emory.edu/purl/593ttdz1fg-cor.
APA, 6th edition
Union patriotic envelopes - Cartoon in red ink, "A bird's eye view of the great southern loan" (Box 21, Folder 9). (1861). [Envelopes]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/593ttdz1fg-cor.
Chicago
“Union Patriotic Envelopes - Cartoon in Red Ink, ‘A Bird's Eye View of the Great Southern Loan.’” Envelopes. Civil War Collection, 1861. Box 21, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/593ttdz1fg-cor.