MLA
Gale, James Scarth, 1863-1937. Letter from James Scarth Gale (Seoul, Korea) to Ransford Stevens Miller, Jr.[?] - January 9, 1918. January 9, 1918. Yun Ch‘i-ho Papers. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24947d7xw1-cor.
APA, 6th edition
Gale, James Scarth, 1863-1937. (January 9, 1918)[Letter from James Scarth Gale (Seoul, Korea) to Ransford Stevens Miller, Jr.[?] - January 9, 1918]. Yun Ch‘i-ho Papers, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24947d7xw1-cor.
Chicago
Gale, James Scarth, 1863-1937, Letter from James Scarth Gale (Seoul, Korea) to Ransford Stevens Miller, Jr.[?] - January 9, 1918, January 9, 1918, Yun Ch‘i-ho Papers, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24947d7xw1-cor.