MLA
Thomas, Charles M. The Training of the Teacher, as the Point of Attack in Negro Education : (an Excerpt) : Special Problems in the Education of African-American Children. [Science and Hygiene Normal School, No. 2?], 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jxzw-cor.
APA, 6th edition
Thomas, C. M. (1908). The training of the teacher, as the point of attack in Negro education : (an excerpt) : special problems in the education of African-American children [African American publisher., African American author., African American pamphlet.]. [Science and Hygiene Normal School, No. 2?]; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jxzw-cor.
Chicago
Thomas, Charles M. “The Training of the Teacher, as the Point of Attack in Negro Education : (an Excerpt) : Special Problems in the Education of African-American Children.” African American publisher., African American author., African American pamphlet. African American Imprints Collection. [Washington, D.C.?]: [Science and Hygiene Normal School, No. 2?], 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jxzw-cor.