APA (7th ed.) Citation

Simms, B., & Trim, D. J. B. (2011). Humanitarian intervention: A history. Cambridge University Press.

Chicago Style (17th ed.) Citation

Simms, Brendan, and D. J. B. Trim. Humanitarian Intervention: A History. Cambridge ; New York: Cambridge University Press, 2011.

MLA (8th ed.) Citation

Simms, Brendan, and D. J. B. Trim. Humanitarian Intervention: A History. Cambridge University Press, 2011.