MLA
Davis, Robert F. Account Book of Robert F. Davis. Davis Served in Company E of the 7th Georgia Infantry Regiment. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2, Folder 52. https://digital.library.emory.edu/purl/4988gthv5m-cor.
APA, 6th edition
Davis, R. F. Account book of Robert F. Davis. Davis served in Company E of the 7th Georgia Infantry Regiment (Box 2, Folder 52) [Account books]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4988gthv5m-cor.
Chicago
Davis, Robert F. “Account Book of Robert F. Davis. Davis Served in Company E of the 7th Georgia Infantry Regiment.” Account books. Civil War Collection, n.d. Box 2, Folder 52. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4988gthv5m-cor.