Tillich, P., & Gomes, P. J. (2000). The courage to be (2nd ed.). Yale University Press.
芝加哥风格引文Tillich, Paul, 与 Peter J. Gomes. The Courage to Be. 2nd ed. New Haven: Yale University Press, 2000.
MLA引文Tillich, Paul, 与 Peter J. Gomes. The Courage to Be. 2nd ed. Yale University Press, 2000.
警告：这些引文格式不一定是100％准确.