Layard, R. (2006). Happiness: Lessons from a new science. Penguin.
Chicago Style (17th ed.) CitationLayard, Richard. Happiness: Lessons from a New Science. New York: Penguin, 2006.
MLA (9th ed.) CitationLayard, Richard. Happiness: Lessons from a New Science. Penguin, 2006.
Warning: These citations may not always be 100% accurate.