Cita APA (7th ed.)

Barrow, J. D., Tipler, F. J., & Wheeler, J. A. (1986). The anthropic cosmological principle. Oxford University Press.

Cita Chicago (17th ed.)

Barrow, John D., Frank J. Tipler, i John A. Wheeler. The Anthropic Cosmological Principle. Oxford, England: Oxford University Press, 1986.

Cita MLA (9th ed.)

Barrow, John D., et al. The Anthropic Cosmological Principle. Oxford University Press, 1986.