MLA
Kletzing, H. F. (Henry F.), 1850-. Progress of a race, or, The remarkable advancement of the American Negro : from the bondage of slavery, ignorance and poverty to the freedom of citizenship, intelligence, affluence, honor and trust. 1900. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/982x3fff59-cor.
APA, 6th edition
Kletzing, H. F. (Henry F.), 1850-. (1900)[Progress of a race, or, The remarkable advancement of the American Negro : from the bondage of slavery, ignorance and poverty to the freedom of citizenship, intelligence, affluence, honor and trust]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/982x3fff59-cor.
Chicago
Kletzing, H. F. (Henry F.), 1850-, Progress of a race, or, The remarkable advancement of the American Negro : from the bondage of slavery, ignorance and poverty to the freedom of citizenship, intelligence, affluence, honor and trust, 1900, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/982x3fff59-cor.