APA (7th ed.) Citation

O'Neill & Rees. (2005). United Nations peacekeeping in the post-Cold War era. Routledge.

Chicago Style (17th ed.) Citation

O'Neill and Rees. United Nations Peacekeeping in the Post-Cold War Era. London: Routledge, 2005.

MLA (8th ed.) Citation

O'Neill and Rees. United Nations Peacekeeping in the Post-Cold War Era. Routledge, 2005.