MLA
Confederate States Almanac for the Year of Our Lord 1864 : Being Bissextile, or Leap Year, and the 4th Year of the Independence of the Confederate States of America : Calculations Made at University of Alabama. J. Russell, 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx3t3-cor.
APA, 6th edition
Confederate States almanac for the year of Our Lord 1864 : being bissextile, or leap year, and the 4th year of the independence of the Confederate States of America : calculations made at University of Alabama. (1863). [Southern imprint, Almanacs]. J. Russell; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx3t3-cor.
Chicago
“Confederate States Almanac for the Year of Our Lord 1864 : Being Bissextile, or Leap Year, and the 4th Year of the Independence of the Confederate States of America : Calculations Made at University of Alabama.” Southern imprint, Almanacs. Civil War Imprints. Macon, Ga.|Greensboro', Ala.: J. Russell, 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx3t3-cor.