Cita APA (7a ed.)

Barrow, J. D., Tipler, F. J., & Wheeler, J. A. (1989). The anthropic cosmological principle. Oxford University Press.

Cita Chicago Style (17a ed.)

Barrow, John D., Frank J. Tipler, y John Archibald Wheeler. The Anthropic Cosmological Principle. Oxford [etc.]: Oxford University Press, 1989.

Cita MLA (9a ed.)

Barrow, John D., et al. The Anthropic Cosmological Principle. Oxford University Press, 1989.