Costello, J. (1991). Ten days that saved the west. Bantam Press.
Chicago-Zitierstil (17. Ausg.)Costello, John. Ten Days That Saved the West. London, New York, Toronto, Sydney, Auckland: Bantam Press, 1991.
MLA-Zitierstil (8. Ausg.)Costello, John. Ten Days That Saved the West. Bantam Press, 1991.
警告：这些引文格式不一定是100％准确.