Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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