APA način citiranja (7. izdanje)
Warren, H. A. (1997). Theologians of a new world order: Reinhold Niebuhr and the Christian realists, 1920-1948. Oxford University Press.
Čikaški stil citiranja (17. izdanje)
Warren, Heather A. Theologians of a New World Order: Reinhold Niebuhr and the Christian Realists, 1920-1948. New York: Oxford University Press, 1997.
MLA način citiranja (9. izdanje)
Warren, Heather A. Theologians of a New World Order: Reinhold Niebuhr and the Christian Realists, 1920-1948. Oxford University Press, 1997.
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