APA (7th ed.) Citation

Johnstone. (2009). US peace operations policy: A double-edged sword? Routledge.

Chicago Style (17th ed.) Citation

Johnstone. US Peace Operations Policy: A Double-edged Sword? London: Routledge, 2009.

MLA (8th ed.) Citation

Johnstone. US Peace Operations Policy: A Double-edged Sword? Routledge, 2009.

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