Hardy, A., Harvie, R., & Koestler, A. (1973). The challenge of chance : experiments and speculations / (by) Alister Hardy, Robert Harvie, Arthur Koestler: Experiments and speculations. Hutchinson.
Chicago Style (17th ed.) CitationHardy, Alister,, Robert Harvie, and Arthur Koestler. The Challenge of Chance : Experiments and Speculations / (by) Alister Hardy, Robert Harvie, Arthur Koestler: Experiments and Speculations. London: Hutchinson, 1973.
MLA (9th ed.) CitationHardy, Alister,, et al. The Challenge of Chance : Experiments and Speculations / (by) Alister Hardy, Robert Harvie, Arthur Koestler: Experiments and Speculations. Hutchinson, 1973.
Warning: These citations may not always be 100% accurate.