APA (7th ed.) Citation

Adams, D. (2005). So long, and thanks for all the fish. Ballantine Books.

Chicago Style (17th ed.) Citation

Adams, Douglas. So Long, and Thanks for All the Fish. New York: Ballantine Books, 2005.

MLA (9th ed.) Citation

Adams, Douglas. So Long, and Thanks for All the Fish. Ballantine Books, 2005.