MLA
DeSoung. Promissory Note of $100 Signed by Colonel DeSoung to Richard D. B. Taylor. Taylor Served in the 24th Georgia Infantry Regiment. 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 46. https://digital.library.emory.edu/purl/897kprr5mw-cor.
APA, 6th edition
D. S. (1862). Promissory Note of $100 signed by Colonel DeSoung to Richard D. B. Taylor. Taylor served in the 24th Georgia Infantry Regiment (Box 6, Folder 46) [Financial records]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/897kprr5mw-cor.
Chicago
DeSoung. “Promissory Note of $100 Signed by Colonel DeSoung to Richard D. B. Taylor. Taylor Served in the 24th Georgia Infantry Regiment.” Financial records. Civil War Collection, 1862. Box 6, Folder 46. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/897kprr5mw-cor.