Wollheim, R. (1999). The thread of life (1st pbk. ed.). Yale University Press.
芝加哥风格引文Wollheim, Richard. The Thread of Life. 1st pbk. ed. New Haven: Yale University Press, 1999.
MLA引文Wollheim, Richard. The Thread of Life. 1st pbk. ed. Yale University Press, 1999.
警告：这些引文格式不一定是100％准确.