APA (7th ed.) Citation

Wallensteen, P. (2015). Regional organizations and peacemaking: Challengers to the UN? (1. publ.). Routledge.

Chicago Style (17th ed.) Citation

Wallensteen, Peter. Regional Organizations and Peacemaking: Challengers to the UN? 1. publ. London [u.a.]: Routledge, 2015.

MLA (9th ed.) Citation

Wallensteen, Peter. Regional Organizations and Peacemaking: Challengers to the UN? 1. publ. Routledge, 2015.

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