APA (7th ed.) Citation

Lewis, B. (2003). The Assassins: A radical sect in Islam. Phoenix.

Chicago Style (17th ed.) Citation

Lewis, Bernard. The Assassins: A Radical Sect in Islam. London: Phoenix, 2003.

MLA (9th ed.) Citation

Lewis, Bernard. The Assassins: A Radical Sect in Islam. Phoenix, 2003.

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