MLA
Trowbridge, Clarence Gene. Black Studies, Administrative Materials - Letter from Clarence Gene Trowbridge, Department of Chemistry, to Emory President Sanford S. Atwood Arguing against Admitting More Black Undergraduate Students If They Do Not Fulfill the Usual Academic Standards Set by the Admissions Office - September 25, 1969. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 10, Folder 4. https://digital.library.emory.edu/purl/6214mw6nj5-cor.
APA, 6th edition
Trowbridge, C. G. (1969). Black Studies, administrative materials - Letter from Clarence Gene Trowbridge, Department of Chemistry, to Emory president Sanford S. Atwood arguing against admitting more Black undergraduate students if they do not fulfill the usual academic standards set by the Admissions Office - September 25, 1969 (Box 10, Folder 4) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6214mw6nj5-cor.
Chicago
Trowbridge, Clarence Gene. “Black Studies, Administrative Materials - Letter from Clarence Gene Trowbridge, Department of Chemistry, to Emory President Sanford S. Atwood Arguing against Admitting More Black Undergraduate Students If They Do Not Fulfill the Usual Academic Standards Set by the Admissions Office - September 25, 1969.” Letters (correspondence). Office of the President Subject Files, 1969. Box 10, Folder 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6214mw6nj5-cor.