O'Malley, W. J. (1976). A book about praying. Paulist Press.
芝加哥风格引文O'Malley, William J. A Book About Praying. New York: Paulist Press, 1976.
MLA引文O'Malley, William J. A Book About Praying. Paulist Press, 1976.
警告：这些引文格式不一定是100％准确.
APA引文