APA (7e ed.) Bronvermelding
Pifer, S., & O'Hanlon, M. E. (2012). The opportunity: Next steps in reducing nuclear arms. Brookings Institution Press.
Chicago (17e ed.) Bronvermelding
Pifer, Steven, en Michael E. O'Hanlon. The Opportunity: Next Steps in Reducing Nuclear Arms. Washington, D.C.: Brookings Institution Press, 2012.
MLA (9e ed.) Bronvermelding
Pifer, Steven, en Michael E. O'Hanlon. The Opportunity: Next Steps in Reducing Nuclear Arms. Brookings Institution Press, 2012.
Let op: Deze citaties zijn niet altijd 100% accuraat.