MLA
Walker, Joseph. Document Signed by Joseph Walker (Charleston, South Carolina), Containing an Financial Account to State of South Carolina. 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 9. https://digital.library.emory.edu/purl/788cfxpq03-cor.
APA, 6th edition
Walker, J. (1861). Document signed by Joseph Walker (Charleston, South Carolina), containing an financial account to State of South Carolina (Box 7, Folder 9) [Documents (object genre)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/788cfxpq03-cor.
Chicago
Walker, Joseph. “Document Signed by Joseph Walker (Charleston, South Carolina), Containing an Financial Account to State of South Carolina.” Documents (object genre). Civil War Collection, 1861. Box 7, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/788cfxpq03-cor.