MLA
The United Negro : His Problems and His Progress : Containing the Addresses and Proceedings the Negro Young People's Christian and Educational Congress, Held August 6-11, 1902. D.E. Luther Pub. Co., 1902. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8kgm-cor.
APA, 6th edition
The united Negro : his problems and his progress : containing the addresses and proceedings the Negro Young People's Christian and Educational Congress, held August 6-11, 1902. (1902). [African American author.]. D.E. Luther Pub. Co.; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8kgm-cor.
Chicago
“The United Negro : His Problems and His Progress : Containing the Addresses and Proceedings the Negro Young People's Christian and Educational Congress, Held August 6-11, 1902.” African American author. African American Imprints Collection. Atlanta, Ga.: D.E. Luther Pub. Co., 1902. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8kgm-cor.