MLA
Certified Copy of the Ordinance of Secession by the State of South Carolina - December 20, 1860. 1860. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/375dbrv1th-cor.
APA, 6th edition
Certified copy of the ordinance of secession by the state of South Carolina - December 20, 1860. (1860). [Ordinances]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/375dbrv1th-cor.
Chicago
“Certified Copy of the Ordinance of Secession by the State of South Carolina - December 20, 1860.” Ordinances. Civil War Collection, 1860. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/375dbrv1th-cor.