APA (7th ed.) Citation

Herbert, F. (1981). God Emperor of Dune. Berkley Books.

Chicago Style (17th ed.) Citation

Herbert, Frank. God Emperor of Dune. New York: Berkley Books, 1981.

MLA (9th ed.) Citation

Herbert, Frank. God Emperor of Dune. Berkley Books, 1981.

Warning: These citations may not always be 100% accurate.