Roth, R. J. (1973). God knowable and unknowable. Fordham University Press.
芝加哥风格引文Roth, Robert J. God Knowable and Unknowable. New York: Fordham University Press, 1973.
MLA引文Roth, Robert J. God Knowable and Unknowable. Fordham University Press, 1973.
警告：这些引文格式不一定是100％准确.