APA (7th ed.) Citation

Epicurus. (2013). The art of happiness. Penguin Books.

Chicago Style (17th ed.) Citation

Epicurus. The Art of Happiness. New York: Penguin Books, 2013.

MLA (9th ed.) Citation

Epicurus. The Art of Happiness. Penguin Books, 2013.

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