MLA
Brown, George S., 1801-1886. Brown's abridged journal : containing a brief account of the life, trials and travels of Geo. S. Brown, six years a missionary in Liberia, West Africa : a miracle of God's grace.. 1849. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/873pvmcz1s-cor.
APA, 6th edition
Brown, George S., 1801-1886. (1849)[Brown's abridged journal : containing a brief account of the life, trials and travels of Geo. S. Brown, six years a missionary in Liberia, West Africa : a miracle of God's grace.]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/873pvmcz1s-cor.
Chicago
Brown, George S., 1801-1886, Brown's abridged journal : containing a brief account of the life, trials and travels of Geo. S. Brown, six years a missionary in Liberia, West Africa : a miracle of God's grace., 1849, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/873pvmcz1s-cor.