APA (7th ed.) Citation

Bellamy, A. J., Williams, P., & Griffin, S. (2010). Understanding peacekeeping (2nd ed.). Polity.

Chicago Style (17th ed.) Citation

Bellamy, Alex J., Paul Williams, and Stuart Griffin. Understanding Peacekeeping. 2nd ed. Cambridge, UK;Malden, MA: Polity, 2010.

MLA (8th ed.) Citation

Bellamy, Alex J., et al. Understanding Peacekeeping. 2nd ed. Polity, 2010.