MLA
Roe, Alfred S. (Alfred Seelye), 1844-1917. From Monocacy to Danville : a trip with the Confederates. 1889. Regimental Histories. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/634sj3v1wm-cor.
APA, 6th edition
Roe, Alfred S. (Alfred Seelye), 1844-1917. (1889)[From Monocacy to Danville : a trip with the Confederates]. Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/634sj3v1wm-cor.
Chicago
Roe, Alfred S. (Alfred Seelye), 1844-1917, From Monocacy to Danville : a trip with the Confederates, 1889, Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/634sj3v1wm-cor.