APA Citatie

Davies, P. (1995). Are We Alone: Philosophical Implications of the Discovery of Extraterrestrial Life. Penguin Books.

Chicago Style citaat

Davies, Paul. Are We Alone: Philosophical Implications of the Discovery of Extraterrestrial Life. London: Penguin Books, 1995.

MLA citatie

Davies, Paul. Are We Alone: Philosophical Implications of the Discovery of Extraterrestrial Life. Penguin Books, 1995.

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