APA (7th ed.) Citation

Posner, G. L. (2003). Why America slept: The failure to prevent 9/11 (First edition.). Random House.

Chicago Style (17th ed.) Citation

Posner, Gerald L. Why America Slept: The Failure to Prevent 9/11. First edition. New York: Random House, 2003.

MLA (9th ed.) Citation

Posner, Gerald L. Why America Slept: The Failure to Prevent 9/11. First edition. Random House, 2003.