MLA
Union Patriotic Envelopes - "The Future Turning Point". 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 21, Folder 9. https://digital.library.emory.edu/purl/740ksn0431-cor.
APA, 6th edition
Union patriotic envelopes - "The Future Turning Point" (Box 21, Folder 9). (1861). [Envelopes]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/740ksn0431-cor.
Chicago
“Union Patriotic Envelopes - ‘The Future Turning Point.’” Envelopes. Civil War Collection, 1861. Box 21, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/740ksn0431-cor.