Bergen, P. L. (2011). The longest war: The enduring conflict between America and al-Qaeda (1. free press hardcover ed.). Free Press.
Chicago Style (17th ed.) CitationBergen, Peter L. The Longest War: The Enduring Conflict Between America and Al-Qaeda. 1. free press hardcover ed. New York [u.a.]: Free Press, 2011.
MLA (9th ed.) CitationBergen, Peter L. The Longest War: The Enduring Conflict Between America and Al-Qaeda. 1. free press hardcover ed. Free Press, 2011.
Warning: These citations may not always be 100% accurate.