Koestler, A., & Butterfield, H. (1982). The sleepwalkers: A history of Manʹs changing vision of the Universe. London: Pelican Books.
Chicago Style CitationKoestler, Arthur, and Herbert Butterfield. The Sleepwalkers: A History of Manʹs Changing Vision of the Universe. London: Pelican Books, 1982.
MLA CitationKoestler, Arthur, and Herbert Butterfield. The Sleepwalkers: A History of Manʹs Changing Vision of the Universe. London: Pelican Books, 1982.
Warning: These citations may not always be 100% accurate.