Cita APA (7a ed.)

Harland, G. (1960). The thought of Reinhold Niebuhr. Oxford University Press.

Cita Chicago Style (17a ed.)

Harland, Gordon. The Thought of Reinhold Niebuhr. New York: Oxford University Press, 1960.

Cita MLA (9a ed.)

Harland, Gordon. The Thought of Reinhold Niebuhr. Oxford University Press, 1960.