Nightingale, F., Calabria, M. D., & Macrae, J. (1994). Suggestions for thought. University of Pennsylvania Press.
芝加哥风格引文Nightingale, Florence, Michael D. Calabria, 与 Janet Macrae. Suggestions for Thought. Philadelphia: University of Pennsylvania Press, 1994.
MLA引文Nightingale, Florence, et al. Suggestions for Thought. University of Pennsylvania Press, 1994.
警告：这些引文格式不一定是100％准确.