MLA
Abbott, Steve. Letter from Steve Abbott, President of the SGA [Student Government Association] to Hank Ambrose, President of the Black Student Alliance, Discussing a Recent Bill Passed That Would Set up a Committee to "Investigate Institutionalized Racism at Emory". Enclosed with the Letter Is a Copy of the Bill - March 4, 1969. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 1. https://digital.library.emory.edu/purl/924wh70t74-cor.
APA, 6th edition
Abbott, S. (1969). Letter from Steve Abbott, President of the SGA [Student Government Association] to Hank Ambrose, President of the Black Student Alliance, discussing a recent bill passed that would set up a committee to "investigate institutionalized racism at Emory". Enclosed with the letter is a copy of the bill - March 4, 1969 (Box 6, Folder 1) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/924wh70t74-cor.
Chicago
Abbott, Steve. “Letter from Steve Abbott, President of the SGA [Student Government Association] to Hank Ambrose, President of the Black Student Alliance, Discussing a Recent Bill Passed That Would Set up a Committee to ‘Investigate Institutionalized Racism at Emory’. Enclosed with the Letter Is a Copy of the Bill - March 4, 1969.” Letters (correspondence). Student Government Association Records, 1969. Box 6, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/924wh70t74-cor.