Al-Khalili, J. (2017). Aliens: The world's leading scientists on the search for extraterrestrial life (First U.S. edition.). Picador.
Cita Chicago Style (17a ed.)Al-Khalili, Jim. Aliens: The World's Leading Scientists on the Search for Extraterrestrial Life. First U.S. edition. New York: Picador, 2017.
Cita MLA (8a ed.)Al-Khalili, Jim. Aliens: The World's Leading Scientists on the Search for Extraterrestrial Life. First U.S. edition. Picador, 2017.
Precaución: Estas citas no son 100% exactas.