MLA
Pocket Watch Likely Purchased by Yun Ch'i-Ho in Oxford, Georgia, circa 1892-1894, and Which He Wore Regularly throughout His Life. 1892. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 21. https://digital.library.emory.edu/purl/221tdz09tt-cor.
APA, 6th edition
Pocket watch likely purchased by Yun Ch'i-ho in Oxford, Georgia, circa 1892-1894, and which he wore regularly throughout his life (Box 21). (1892). [Watches]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/221tdz09tt-cor.
Chicago
“Pocket Watch Likely Purchased by Yun Ch'i-Ho in Oxford, Georgia, circa 1892-1894, and Which He Wore Regularly throughout His Life.” Watches. Yun Ch‘i-Ho Papers, 1892. Box 21. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/221tdz09tt-cor.