APA (7th ed.) Citation

Langhorne & J?nsson. (2004). Diplomacy. Sage Publications.

Chicago Style (17th ed.) Citation

Langhorne and J?nsson. Diplomacy. London: Sage Publications, 2004.

MLA (8th ed.) Citation

Langhorne and J?nsson. Diplomacy. Sage Publications, 2004.

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