MLA
Pettis, George H. Kit Carson's Fight with the Comanche and Kiowa Indians : at the Adobe Walls on the Canadian River, November 25th, 1864. S.S. Rider, 1878. Emory University. General Libraries. https://digital.library.emory.edu/purl/1504xgxhnj-cor.
APA, 6th edition
Pettis, G. H. (1878). Kit Carson's fight with the Comanche and Kiowa Indians : at the Adobe Walls on the Canadian River, November 25th, 1864. S.S. Rider; Emory University. General Libraries. https://digital.library.emory.edu/purl/1504xgxhnj-cor.
Chicago
Pettis, George H. “Kit Carson's Fight with the Comanche and Kiowa Indians : at the Adobe Walls on the Canadian River, November 25th, 1864.” Regimental Histories. Providence: S.S. Rider, 1878. Emory University. General Libraries. https://digital.library.emory.edu/purl/1504xgxhnj-cor.