APA (7th ed.) Citation
Pifer, S., & O'Hanlon, M. E. (2012). The opportunity: Next steps in reducing nuclear arms. Brookings Institution Press.
Chicago Style (17th ed.) Citation
Pifer, Steven, and Michael E. O'Hanlon. The Opportunity: Next Steps in Reducing Nuclear Arms. Washington, D.C.: Brookings Institution Press, 2012.
MLA (9th ed.) Citation
Pifer, Steven, and Michael E. O'Hanlon. The Opportunity: Next Steps in Reducing Nuclear Arms. Brookings Institution Press, 2012.
Warning: These citations may not always be 100% accurate.