Barrow, J. D., & Tipler, F. J. (1986). The anthropic cosmological principle. Oxford University.
Chicago Style (17th ed.) CitationBarrow, John D., and Frank J. Tipler. The Anthropic Cosmological Principle. Oxford: Oxford University, 1986.
MLA (9th ed.) CitationBarrow, John D., and Frank J. Tipler. The Anthropic Cosmological Principle. Oxford University, 1986.