MLA
Yun, Ch'i-ho, 1865-1945. Letter from Yun Ch'i-ho[?] to Durham White Stevens regarding people close to Emperor Gojong of Korea - April 12, 1905. April 12, 1905. Yun Ch‘i-ho Papers. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxqwc-cor.
APA, 6th edition
Yun, Ch'i-ho, 1865-1945. (April 12, 1905)[Letter from Yun Ch'i-ho[?] to Durham White Stevens regarding people close to Emperor Gojong of Korea - April 12, 1905]. Yun Ch‘i-ho Papers, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxqwc-cor.
Chicago
Yun, Ch'i-ho, 1865-1945, Letter from Yun Ch'i-ho[?] to Durham White Stevens regarding people close to Emperor Gojong of Korea - April 12, 1905, April 12, 1905, Yun Ch‘i-ho Papers, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxqwc-cor.