Clarke, A. C. (1983). The sentinel: Masterworks of science fiction and fantasy (Berkley trade paperback ed. Masterworks ed.). Berkley Books.
Citazione stile Chigago Style (17a edizione)Clarke, Arthur Charles. The Sentinel: Masterworks of Science Fiction and Fantasy. Berkley trade paperback ed. Masterworks ed. New York: Berkley Books, 1983.
Citatione MLA (8a ed.)Clarke, Arthur Charles. The Sentinel: Masterworks of Science Fiction and Fantasy. Berkley trade paperback ed. Masterworks ed. Berkley Books, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.