APA (7th ed.) Citation

Jonsson, C., & Langhorne, R. (2004). Diplomacy. Sage Pub.

Chicago Style (17th ed.) Citation

Jonsson, Christer, and Richard Langhorne. Diplomacy. London: Sage Pub, 2004.

MLA (9th ed.) Citation

Jonsson, Christer, and Richard Langhorne. Diplomacy. Sage Pub, 2004.

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