MLA
Miller, Kelly, 1863-1939. An appeal to reason : an open letter to John Temple Graves : (second ten thousand). XXXX. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/334fn2z408-cor.
APA, 6th edition
Miller, Kelly, 1863-1939. (XXXX)[An appeal to reason : an open letter to John Temple Graves : (second ten thousand)]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/334fn2z408-cor.
Chicago
Miller, Kelly, 1863-1939, An appeal to reason : an open letter to John Temple Graves : (second ten thousand), XXXX, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/334fn2z408-cor.