APA (7th ed.) Citation

Adams, D. (1984). So long, and thanks for all the fish. Harmony Books.

Chicago Style (17th ed.) Citation

Adams, Douglas. So Long, and Thanks for All the Fish. New York: Harmony Books, 1984.

MLA (8th ed.) Citation

Adams, Douglas. So Long, and Thanks for All the Fish. Harmony Books, 1984.

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