APA (7th ed.) Citation

Adams, D. (1982). Life, the universe, and everything: The Hitch hiker's guide to the galaxy 3. Pan.

Chicago Style (17th ed.) Citation

Adams, Douglas. Life, the Universe, and Everything: The Hitch Hiker's Guide to the Galaxy 3. London: Pan, 1982.

MLA (9th ed.) Citation

Adams, Douglas. Life, the Universe, and Everything: The Hitch Hiker's Guide to the Galaxy 3. Pan, 1982.