Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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