MLA
Elliott, Stephen, 1806-1866. Gideon's water-lappers : a sermon preached in Christ Church, Savannah, on Friday, the 8th day of April, 1864, the day set apart by the Congress of the Confederate States, as a day of humiliation, fasting and prayer.. 1864. Civil War Imprints. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/791sf7m3k2-cor.
APA, 6th edition
Elliott, Stephen, 1806-1866. (1864)[Gideon's water-lappers : a sermon preached in Christ Church, Savannah, on Friday, the 8th day of April, 1864, the day set apart by the Congress of the Confederate States, as a day of humiliation, fasting and prayer.]. Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/791sf7m3k2-cor.
Chicago
Elliott, Stephen, 1806-1866, Gideon's water-lappers : a sermon preached in Christ Church, Savannah, on Friday, the 8th day of April, 1864, the day set apart by the Congress of the Confederate States, as a day of humiliation, fasting and prayer., 1864, Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/791sf7m3k2-cor.