MLA
Gibson, A. B. B. The African Methodist Shield (Improved) : for the Benefit of the Members, Sunday Schools, Allen Christian Endeavor League and Missionary Societies of the African Methodist Episcopal Church : a Companion to The Gibson Hand Book, The Gibson Catechism. [The Author?], 1919. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsdbc-cor.
APA, 6th edition
Gibson, A. B. B. (1919). The African Methodist shield (improved) : for the benefit of the members, Sunday schools, Allen Christian Endeavor League and missionary societies of the African Methodist Episcopal Church : a companion to The Gibson hand book, The Gibson catechism [African American author., African American publisher.]. [The Author?]; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsdbc-cor.
Chicago
Gibson, A. B. B. “The African Methodist Shield (Improved) : for the Benefit of the Members, Sunday Schools, Allen Christian Endeavor League and Missionary Societies of the African Methodist Episcopal Church : a Companion to The Gibson Hand Book, The Gibson Catechism.” African American author., African American publisher. African American Imprints Collection. Macon, Ga.: [The Author?], 1919. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsdbc-cor.