Cita APA (7th ed.)

Athena Coustenis, T. E. (2013). Life Beyond Earth (1.). Cambridge University Press.

Cita Chicago (17th ed.)

Athena Coustenis, Thérèse Encrenaz. Life Beyond Earth. 1. Cambridge University Press, 2013.

Cita MLA (8th ed.)

Athena Coustenis, Thérèse Encrenaz. Life Beyond Earth. 1. Cambridge University Press, 2013.