MLA
Mixon, Winfield Henri. History of the African Methodist Episcopal Church in Alabama : with Biographical Sketches. A.M.E. Church Sunday School Union, 1902. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1504xgxg9t-cor.
APA, 6th edition
Mixon, W. H. (1902). History of the African Methodist Episcopal Church in Alabama : with biographical sketches [African American publisher., African American author.]. A.M.E. Church Sunday School Union; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1504xgxg9t-cor.
Chicago
Mixon, Winfield Henri. “History of the African Methodist Episcopal Church in Alabama : with Biographical Sketches.” African American publisher., African American author. African American Imprints Collection. Nashville, Tenn.: A.M.E. Church Sunday School Union, 1902. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1504xgxg9t-cor.