Cita APA (7th ed.)

Costello, J. (1991). Ten days that saved the west. Bantam Press.

Cita Chicago (17th ed.)

Costello, John. Ten Days That Saved the West. London, New York, Toronto, Sydney, Auckland: Bantam Press, 1991.

Cita MLA (8th ed.)

Costello, John. Ten Days That Saved the West. Bantam Press, 1991.