MLA
Sumner, George C. Recollections of Service in Battery D, First Rhode Island Light Artillery. Published by the Society, 1891. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9117m0cm19-cor.
APA, 6th edition
Sumner, G. C. (1891). Recollections of service in Battery D, First Rhode Island Light Artillery. Published by the Society; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9117m0cm19-cor.
Chicago
Sumner, George C. “Recollections of Service in Battery D, First Rhode Island Light Artillery.” Regimental Histories. Providence: Published by the Society, 1891. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9117m0cm19-cor.