MLA
Oath from Gusatvus A. Schneidan from the United State of America, Department of the Gulf, Attesting Allegiance to United Kingdoms of Sweden and Norway and Swearing Never to of Been a Citizen of the United States of America. 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 14. https://digital.library.emory.edu/purl/1439zw3rrd-cor.
APA, 6th edition
Oath from Gusatvus A. Schneidan from the United State of America, Department of the Gulf, attesting allegiance to United Kingdoms of Sweden and Norway and swearing never to of been a citizen of the United States of America (Box 6, Folder 14). (1864). [Testimonies]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1439zw3rrd-cor.
Chicago
“Oath from Gusatvus A. Schneidan from the United State of America, Department of the Gulf, Attesting Allegiance to United Kingdoms of Sweden and Norway and Swearing Never to of Been a Citizen of the United States of America.” Testimonies. Civil War Collection, 1864. Box 6, Folder 14. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1439zw3rrd-cor.