MLA
Christmas Card Written to Yun Ch'i-Ho[?]. 1899. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17, Folder 1. https://digital.library.emory.edu/purl/921ghx3gnz-cor.
APA, 6th edition
Christmas card written to Yun Ch'i-ho[?] (Box 17, Folder 1). (1899). [Greeting cards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/921ghx3gnz-cor.
Chicago
“Christmas Card Written to Yun Ch'i-Ho[?].” Greeting cards. Yun Ch‘i-Ho Papers, 1899. Box 17, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/921ghx3gnz-cor.