MLA
Circular. [publisher not identified], 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/648ffbgbd1-cor.
APA, 6th edition
Circular. (1862). [publisher not identified]; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/648ffbgbd1-cor.
Chicago
“Circular.” Civil War Imprints. Richmond: [publisher not identified], 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/648ffbgbd1-cor.