APA (7th ed.) Citation

Ricard, M. (2011). The art of happiness: [a guide to developing life's most important skill]. Atlantic Books.

Chicago Style (17th ed.) Citation

Ricard, Matthieu. The Art of Happiness: [a Guide to Developing Life's Most Important Skill]. London: Atlantic Books, 2011.

MLA (9th ed.) Citation

Ricard, Matthieu. The Art of Happiness: [a Guide to Developing Life's Most Important Skill]. Atlantic Books, 2011.