MLA
Bowen, J. W. E. (John Wesley Edward), 1855-1933. What shall the harvest be? : a national sermon : or, A series of plain talks to the colored people of America, on their problems : delivered January 17th, 24th, 31st, and Feb. 14th, 1892. 1902. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8j0s-cor.
APA, 6th edition
Bowen, J. W. E. (John Wesley Edward), 1855-1933. (1902)[What shall the harvest be? : a national sermon : or, A series of plain talks to the colored people of America, on their problems : delivered January 17th, 24th, 31st, and Feb. 14th, 1892]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8j0s-cor.
Chicago
Bowen, J. W. E. (John Wesley Edward), 1855-1933, What shall the harvest be? : a national sermon : or, A series of plain talks to the colored people of America, on their problems : delivered January 17th, 24th, 31st, and Feb. 14th, 1892, 1902, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8j0s-cor.