MLA
Lee, William Mack, 1835-. History of the life of Rev. Wm. Mack Lee : body servant of General Robert E. Lee through the civil war, cook from 1861 to 1865 : still living under the protection of the Southern States.. 1918. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/822h70rzw5-cor.
APA, 6th edition
Lee, William Mack, 1835-. (1918)[History of the life of Rev. Wm. Mack Lee : body servant of General Robert E. Lee through the civil war, cook from 1861 to 1865 : still living under the protection of the Southern States.]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/822h70rzw5-cor.
Chicago
Lee, William Mack, 1835-, History of the life of Rev. Wm. Mack Lee : body servant of General Robert E. Lee through the civil war, cook from 1861 to 1865 : still living under the protection of the Southern States., 1918, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/822h70rzw5-cor.