APA-referens (7:e uppl.)
DeVun, L. (2009). Prophecy, alchemy, and the end of time: John of Rupescissa in the late Middle Ages. Columbia University Press.
Chicago-referens (17:e uppl.)
DeVun, Leah. Prophecy, Alchemy, and the End of Time: John of Rupescissa in the Late Middle Ages. New York: Columbia University Press, 2009.
MLA-referens (9:e uppl.)
DeVun, Leah. Prophecy, Alchemy, and the End of Time: John of Rupescissa in the Late Middle Ages. Columbia University Press, 2009.
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