APA način citiranja (7. izdanje)
Pifer, S., & O'Hanlon, M. E. (2012). The opportunity: Next steps in reducing nuclear arms. Brookings Institution Press.
Čikaški stil citiranja (17. izdanje)
Pifer, Steven, i Michael E. O'Hanlon. The Opportunity: Next Steps in Reducing Nuclear Arms. Washington, D.C.: Brookings Institution Press, 2012.
MLA način citiranja (9. izdanje)
Pifer, Steven, i Michael E. O'Hanlon. The Opportunity: Next Steps in Reducing Nuclear Arms. Brookings Institution Press, 2012.
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