APA (7th ed.) Citation

Adams, D. (1982). Life, the universe and everything (1. ed.). Harmony Books.

Chicago Style (17th ed.) Citation

Adams, Douglas. Life, the Universe and Everything. 1. ed. New York: Harmony Books, 1982.

MLA (9th ed.) Citation

Adams, Douglas. Life, the Universe and Everything. 1. ed. Harmony Books, 1982.