MLA
Merry, P. C. Receipt to William H. Scott, Sr. from P. C. Merry, June 13, 1888. 1888. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 9. https://digital.library.emory.edu/purl/5870vt4cq6-cor.
APA, 6th edition
Merry, P. C. (1888). Receipt to William H. Scott, Sr. from P. C. Merry, June 13, 1888 (Box 1, Folder 9) [Receipts (financial records)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5870vt4cq6-cor.
Chicago
Merry, P. C. “Receipt to William H. Scott, Sr. from P. C. Merry, June 13, 1888.” Receipts (financial records). William H. Scott Family Papers, 1848-1982, 1888. Box 1, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5870vt4cq6-cor.