APA

Adams D., . (1985). So long, and thanks for all the fish. New York: Harmony Books.

Chicago

Adams Douglas, . 1985. So long, and thanks for all the fish. New York: Harmony Books.

Harvard

Adams D., . (1985). So long, and thanks for all the fish. New York: Harmony Books.

MLA

Adams Douglas, . So long, and thanks for all the fish. New York: Harmony Books. 1985.