MLA
Parks, H. B. (Henry Blanton), -1936. Africa : the problem of the new century : the part the African Methodist Episcopal Church is to have in its solution. 1899. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/989r2281c0-cor.
APA, 6th edition
Parks, H. B. (Henry Blanton), -1936. (1899)[Africa : the problem of the new century : the part the African Methodist Episcopal Church is to have in its solution]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/989r2281c0-cor.
Chicago
Parks, H. B. (Henry Blanton), -1936, Africa : the problem of the new century : the part the African Methodist Episcopal Church is to have in its solution, 1899, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/989r2281c0-cor.