APA (7th ed.) Citation

Bergen, P. L. (2011). The longest war : the enduring conflict between America and Al-Qaeda / Peter L. Bergen: The enduring conflict between America and Al-Qaeda. Simon & Schuster UK.

Chicago Style (17th ed.) Citation

Bergen, Peter L. The Longest War : The Enduring Conflict Between America and Al-Qaeda / Peter L. Bergen: The Enduring Conflict Between America and Al-Qaeda. London: Simon & Schuster UK, 2011.

MLA (9th ed.) Citation

Bergen, Peter L. The Longest War : The Enduring Conflict Between America and Al-Qaeda / Peter L. Bergen: The Enduring Conflict Between America and Al-Qaeda. Simon & Schuster UK, 2011.

Warning: These citations may not always be 100% accurate.