Hawkins, D. R. (2021). Reality, spirituality, and modern man (2nd edition.). Hay House, Inc..
芝加哥风格引文Hawkins, David R. Reality, Spirituality, and Modern Man. 2nd edition. Carlsbad: Hay House, Inc., 2021.
MLA引文Hawkins, David R. Reality, Spirituality, and Modern Man. 2nd edition. Hay House, Inc., 2021.
警告：这些引文格式不一定是100％准确.