MLA
Gardiner, William. Operations of the Cavalry Corps, Middle Military Division, Armies of the United States, from February 27 to March 8, 1865, Participated in by the First Rhode Island Cavalry. Published by the Society, 1896. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/733rv15jh9-cor.
APA, 6th edition
Gardiner, W. (1896). Operations of the cavalry corps, middle military division, armies of the United States, from February 27 to March 8, 1865, participated in by the First Rhode Island Cavalry. Published by the Society; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/733rv15jh9-cor.
Chicago
Gardiner, William. “Operations of the Cavalry Corps, Middle Military Division, Armies of the United States, from February 27 to March 8, 1865, Participated in by the First Rhode Island Cavalry.” Regimental Histories. Providence: Published by the Society, 1896. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/733rv15jh9-cor.