Wolters, C. (1970). The cloud of unknowing. Penguin Books.
Chicago Style (17th ed.) CitationWolters, Clifton. The Cloud of Unknowing. Harmondsworth [etc.]: Penguin Books, 1970.
MLA (9th ed.) CitationWolters, Clifton. The Cloud of Unknowing. Penguin Books, 1970.
Warning: These citations may not always be 100% accurate.