MLA
Ambrose, Henry. Race Relations, 1969-1970 - Letter from Henry Ambrose, President of the Black Student Alliance, to Emory President Sanford S. Atwood, Presenting a List of Proposals the University Should Act upon - March 12, 1969. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 9. https://digital.library.emory.edu/purl/098z8w9hr3-cor.
APA, 6th edition
Ambrose, H. (1969). Race relations, 1969-1970 - Letter from Henry Ambrose, President of the Black Student Alliance, to Emory president Sanford S. Atwood, presenting a list of proposals the university should act upon - March 12, 1969 (Box 22, Folder 9) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/098z8w9hr3-cor.
Chicago
Ambrose, Henry. “Race Relations, 1969-1970 - Letter from Henry Ambrose, President of the Black Student Alliance, to Emory President Sanford S. Atwood, Presenting a List of Proposals the University Should Act upon - March 12, 1969.” Letters (correspondence). Student Government Association Records, 1969. Box 22, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/098z8w9hr3-cor.