Ovenden, M. W. (1962). Life in the universe: A scientific discussion. New York: Doubleday Anchor Book.
Citación estilo ChicagoOvenden, Michael W. Life in the Universe: A Scientific Discussion. New York: Doubleday Anchor Book, 1962.
Cita MLAOvenden, Michael W. Life in the Universe: A Scientific Discussion. New York: Doubleday Anchor Book, 1962.
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