MLA
Ransom, Reverdy C. (Reverdy Cassius), 1861-1959. The American Tower of Babel, or, The confusion of tongues : Thanksgiving sermon. 1909. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/682k6djjhs-cor.
APA, 6th edition
Ransom, Reverdy C. (Reverdy Cassius), 1861-1959. (1909)[The American Tower of Babel, or, The confusion of tongues : Thanksgiving sermon]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/682k6djjhs-cor.
Chicago
Ransom, Reverdy C. (Reverdy Cassius), 1861-1959, The American Tower of Babel, or, The confusion of tongues : Thanksgiving sermon, 1909, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/682k6djjhs-cor.