APA (7th ed.) Citation

Clarke, A. C. (1986). The sentinel: Masterworks of science fiction and fantasy (Berkley mass market ed.). Berkley Books.

Chicago Style (17th ed.) Citation

Clarke, Arthur C. The Sentinel: Masterworks of Science Fiction and Fantasy. Berkley mass market ed. New York: Berkley Books, 1986.

MLA (9th ed.) Citation

Clarke, Arthur C. The Sentinel: Masterworks of Science Fiction and Fantasy. Berkley mass market ed. Berkley Books, 1986.