Citazione Stile APA (7a Edizione)

Niebuhr, R., & Brown, R. M. (1986). The essential Reinhold Niebuhr: Selected essays and addresses. Yale University Press.

Citazione stile Chigago Style (17a edizione)

Niebuhr, Reinhold, e Robert McAfee Brown. The Essential Reinhold Niebuhr: Selected Essays and Addresses. New Haven: Yale University Press, 1986.

Citatione MLA (9a ed.)

Niebuhr, Reinhold, e Robert McAfee Brown. The Essential Reinhold Niebuhr: Selected Essays and Addresses. Yale University Press, 1986.