MLA
Goldstein, Jacob Herman, and Reuben Alexander Day Jr. Black Studies, Administrative Materials - Letter from Jacob H. Goldstein and Reuben Alexander Day, Jr. to Emory President Sanford S. Atwood, Advising Him to Read the Enclosed Article by Kenneth B. Clark about Job Training for Disadvantaged Youth, and How the Lessons from the Article Could Be Applied to Educating Low Income and Minority Students - November 7, 1969. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 10, Folder 4. https://digital.library.emory.edu/purl/310jsxktw0-cor.
APA, 6th edition
Goldstein, J. H., & Day, R. A., Jr. (1969). Black Studies, administrative materials - Letter from Jacob H. Goldstein and Reuben Alexander Day, Jr. to Emory president Sanford S. Atwood, advising him to read the enclosed article by Kenneth B. Clark about job training for disadvantaged youth, and how the lessons from the article could be applied to educating low income and minority students - November 7, 1969 (Box 10, Folder 4) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/310jsxktw0-cor.
Chicago
Goldstein, Jacob Herman, and Reuben Alexander Day Jr. “Black Studies, Administrative Materials - Letter from Jacob H. Goldstein and Reuben Alexander Day, Jr. to Emory President Sanford S. Atwood, Advising Him to Read the Enclosed Article by Kenneth B. Clark about Job Training for Disadvantaged Youth, and How the Lessons from the Article Could Be Applied to Educating Low Income and Minority Students - November 7, 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/310jsxktw0-cor.