APA (7th ed.) Citation

Vernon, M. (2008). 42 deep thought on life, the universe, and everything. Oneworld.

Chicago Style (17th ed.) Citation

Vernon, Mark. 42 Deep Thought on Life, the Universe, and Everything. Oxford: Oneworld, 2008.

MLA (9th ed.) Citation

Vernon, Mark. 42 Deep Thought on Life, the Universe, and Everything. Oneworld, 2008.

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