Cita APA (7a ed.)

Basalla, G. (2006). Civilized life in the universe: Scientists on intelligent extraterrestrials. Oxford University Press.

Cita Chicago Style (17a ed.)

Basalla, George. Civilized Life in the Universe: Scientists on Intelligent Extraterrestrials. Oxford ; New York: Oxford University Press, 2006.

Cita MLA (8a ed.)

Basalla, George. Civilized Life in the Universe: Scientists on Intelligent Extraterrestrials. Oxford University Press, 2006.