APA

Herbert F., . (19871969). Dune messiah. New York: Ace Books.

Chicago

Herbert Frank, . 19871969. Dune messiah. New York: Ace Books.

Harvard

Herbert F., . (19871969). Dune messiah. New York: Ace Books.

MLA

Herbert Frank, . Dune messiah. New York: Ace Books. 19871969.