MLA
Barnard, H. F. Receipt to William H. Scott, Sr. from H. F. Barnard, September 21, 1880. 1880. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 9. https://digital.library.emory.edu/purl/071ngf1x33-cor.
APA, 6th edition
Barnard, H. F. (1880). Receipt to William H. Scott, Sr. from H. F. Barnard, September 21, 1880 (Box 1, Folder 9) [Receipts (financial records)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1x33-cor.
Chicago
Barnard, H. F. “Receipt to William H. Scott, Sr. from H. F. Barnard, September 21, 1880.” Receipts (financial records). William H. Scott Family Papers, 1848-1982, 1880. Box 1, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1x33-cor.