Johnston, W. (1975). The mysticism of the Cloud of unknowing: A modern interpretation Religious experience series.
芝加哥风格引文Johnston, William. "The Mysticism of the Cloud of Unknowing: A Modern Interpretation." Religious Experience Series 1975.
MLA引文Johnston, William. "The Mysticism of the Cloud of Unknowing: A Modern Interpretation." Religious Experience Series, 1975.
警告：这些引文格式不一定是100％准确.