MLA
Gale, James Scarth, 1863-1937. Letter from James Scarth Gale to Yun Ch'i-ho - August 12, 1907. August 12, 1907. Yun Ch‘i-ho Papers. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jz3f-cor.
APA, 6th edition
Gale, James Scarth, 1863-1937. (August 12, 1907)[Letter from James Scarth Gale to Yun Ch'i-ho - August 12, 1907]. Yun Ch‘i-ho Papers, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jz3f-cor.
Chicago
Gale, James Scarth, 1863-1937, Letter from James Scarth Gale to Yun Ch'i-ho - August 12, 1907, August 12, 1907, Yun Ch‘i-ho Papers, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jz3f-cor.