MLA
Invoice for Goods for Claghorn and Cunningham. 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2, Folder 20. https://digital.library.emory.edu/purl/0580k6dkgb-cor.
APA, 6th edition
Invoice for goods for Claghorn and Cunningham (Box 2, Folder 20). (1862). [Invoices]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dkgb-cor.
Chicago
“Invoice for Goods for Claghorn and Cunningham.” Invoices. Civil War Collection, 1862. Box 2, Folder 20. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dkgb-cor.