APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.