MLA
Mandell, Leon. Black Students, 1969-1970 and Undated - Letter from Leon Mandell, Chairman of the Department of Chemistry, to Emory President Sanford S. Atwood, Criticizing the List of Requests given by the Black Student Alliance - July 23, 1969. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8, Folder 11. https://digital.library.emory.edu/purl/81289320ph-cor.
APA, 6th edition
Mandell, L. (1969). Black students, 1969-1970 and undated - Letter from Leon Mandell, Chairman of the Department of Chemistry, to Emory president Sanford S. Atwood, criticizing the list of requests given by the Black Student Alliance - July 23, 1969 (Box 8, Folder 11) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81289320ph-cor.
Chicago
Mandell, Leon. “Black Students, 1969-1970 and Undated - Letter from Leon Mandell, Chairman of the Department of Chemistry, to Emory President Sanford S. Atwood, Criticizing the List of Requests given by the Black Student Alliance - July 23, 1969.” Letters (correspondence). Judson C. Ward Office Files, 1969. Box 8, Folder 11. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81289320ph-cor.