KEENAN, F. P. (2000). Stages of the soul: The path of the soulful life. Contemporary Books.
芝加哥风格引文KEENAN, Father Paul. Stages of the Soul: The Path of the Soulful Life. Chicago: Contemporary Books, 2000.
MLA引文KEENAN, Father Paul. Stages of the Soul: The Path of the Soulful Life. Contemporary Books, 2000.
警告：这些引文格式不一定是100％准确.