Cita APA

Basalla, G. (2007). Civilized Life in the Universe: Scientists on Intelligent Extraterrestrials. OUP.

Citación estilo Chicago

Basalla, George. Civilized Life in the Universe: Scientists on Intelligent Extraterrestrials. OUP, 2007.

Cita MLA

Basalla, George. Civilized Life in the Universe: Scientists on Intelligent Extraterrestrials. OUP, 2007.

Precaución: Estas citas no son 100% exactas.