APA (7th ed.) Citation

Soufan, A. (2012). The black banners: Inside the hunt for al-Qaeda. Penguin Books.

Chicago Style (17th ed.) Citation

Soufan, Ali. The Black Banners: Inside the Hunt for Al-Qaeda. London: Penguin Books, 2012.

MLA (8th ed.) Citation

Soufan, Ali. The Black Banners: Inside the Hunt for Al-Qaeda. Penguin Books, 2012.

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