MLA
Martin, Ruby G. Black Studies, Administrative Materials - “Memorandum to Presidents of Institutions of Higher Education Participating in Federal Assistance Programs - Separate Housing for Minority Group Students”, Stating That Federal Assisted Institutions of Education Cannot Segregate Housing Based on Race. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 10, Folder 4. https://digital.library.emory.edu/purl/808v9s4p53-cor.
APA, 6th edition
Martin, R. G. (1969). Black Studies, administrative materials - “Memorandum to presidents of institutions of higher education participating in federal assistance programs - Separate housing for minority group students”, stating that federal assisted institutions of education cannot segregate housing based on race (Box 10, Folder 4) [Documents (object genre)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/808v9s4p53-cor.
Chicago
Martin, Ruby G. “Black Studies, Administrative Materials - ‘Memorandum to Presidents of Institutions of Higher Education Participating in Federal Assistance Programs - Separate Housing for Minority Group Students’, Stating That Federal Assisted Institutions of Education Cannot Segregate Housing Based on Race.” Documents (object genre). 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/808v9s4p53-cor.