MLA
Gross, Samuel D. (Samuel David), 1805-1884. A manual of military surgery, or, Hints on the emergencies of field, camp and hospital practice. 1861. Civil War Imprints. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0106wwq2z8-cor.
APA, 6th edition
Gross, Samuel D. (Samuel David), 1805-1884. (1861)[A manual of military surgery, or, Hints on the emergencies of field, camp and hospital practice]. Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0106wwq2z8-cor.
Chicago
Gross, Samuel D. (Samuel David), 1805-1884, A manual of military surgery, or, Hints on the emergencies of field, camp and hospital practice, 1861, Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0106wwq2z8-cor.