MLA
Braddon, M. E. (Mary Elizabeth), 1835-1915. Darrell Markham, or, The captain of the Vulture. 1863. Civil War Imprints. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/037hqbzq08-cor.
APA, 6th edition
Braddon, M. E. (Mary Elizabeth), 1835-1915. (1863)[Darrell Markham, or, The captain of the Vulture]. Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/037hqbzq08-cor.
Chicago
Braddon, M. E. (Mary Elizabeth), 1835-1915, Darrell Markham, or, The captain of the Vulture, 1863, Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/037hqbzq08-cor.