APA (7th ed.) Citation

Summers, A., & Swan, R. (2011). The eleventh day: The full story of 9/11 and Osama bin Laden. Ballantine Books.

Chicago Style (17th ed.) Citation

Summers, Anthony, and Robbyn Swan. The Eleventh Day: The Full Story of 9/11 and Osama Bin Laden. New York: Ballantine Books, 2011.

MLA (8th ed.) Citation

Summers, Anthony, and Robbyn Swan. The Eleventh Day: The Full Story of 9/11 and Osama Bin Laden. Ballantine Books, 2011.