APA (7th ed.) Citation

Niebuhr, R. (1959). Essays in applied Christianity. Meridian Books.

Chicago Style (17th ed.) Citation

Niebuhr, Reinhold. Essays in Applied Christianity. New York: Meridian Books, 1959.

MLA (9th ed.) Citation

Niebuhr, Reinhold. Essays in Applied Christianity. Meridian Books, 1959.