APA (7th ed.) Citation

Barash & Webel. (2009). Peace and conflict studies (2nd ed.). Sage Publications.

Chicago Style (17th ed.) Citation

Barash and Webel. Peace and Conflict Studies. 2nd ed. Thousand Oaks: Sage Publications, 2009.

MLA (8th ed.) Citation

Barash and Webel. Peace and Conflict Studies. 2nd ed. Sage Publications, 2009.