MLA
Child, Benjamin H. From Fredericksburg to Gettysburg. Published by the Society, 1895. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/119f4qrk6k-cor.
APA, 6th edition
Child, B. H. (1895). From Fredericksburg to Gettysburg. Published by the Society; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/119f4qrk6k-cor.
Chicago
Child, Benjamin H. “From Fredericksburg to Gettysburg.” Regimental Histories. Providence: Published by the Society, 1895. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/119f4qrk6k-cor.