Wulff, D. M. (1991). Psychology of religion: Classic and contemporary views. John Wiley & Sons.
芝加哥风格引文Wulff, David M. Psychology of Religion: Classic and Contemporary Views. Massachusetts: John Wiley & Sons, 1991.
MLA引文Wulff, David M. Psychology of Religion: Classic and Contemporary Views. John Wiley & Sons, 1991.
警告：这些引文格式不一定是100％准确.