MLA
No. 4 Exchange Block (Richmond, Virginia). Confederate States of America Currency - No. 4 Exchange Block (Richmond, Virginia): ﾢ5 cent note bill - Issued September 3, 1861. August 3, 1861. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2902z34vp3-cor.
APA, 6th edition
No. 4 Exchange Block (Richmond, Virginia). (August 3, 1861)[Confederate States of America Currency - No. 4 Exchange Block (Richmond, Virginia): ﾢ5 cent note bill - Issued September 3, 1861]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2902z34vp3-cor.
Chicago
No. 4 Exchange Block (Richmond, Virginia), Confederate States of America Currency - No. 4 Exchange Block (Richmond, Virginia): ﾢ5 cent note bill - Issued September 3, 1861, August 3, 1861, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2902z34vp3-cor.