Ballard, J. S. (2007). War bird ace: The Great War exploits of Capt. Field E. Kindley. Texas A & M University Press.
Cita Chicago (17th ed.)Ballard, Jack S. War Bird Ace: The Great War Exploits of Capt. Field E. Kindley. College Station: Texas A & M University Press, 2007.
Cita MLA (9th ed.)Ballard, Jack S. War Bird Ace: The Great War Exploits of Capt. Field E. Kindley. Texas A & M University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.