Cita APA (7th ed.)
Davies, J. K. (2001). Beyond Pluto: Exploring the outer limits of the solar system. Cambridge University Press.
Cita Chicago (17th ed.)
Davies, John Keith. Beyond Pluto: Exploring the Outer Limits of the Solar System. Cambridge ; New York: Cambridge University Press, 2001.
Cita MLA (9th ed.)
Davies, John Keith. Beyond Pluto: Exploring the Outer Limits of the Solar System. Cambridge University Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.