APA (7th ed.) Citation

Lyubomirsky, S. a. (2008). The how of happiness: A scientific approach to getting the life you want (1a edición.). Penguin Press.

Chicago Style (17th ed.) Citation

Lyubomirsky, Sonja autor. The How of Happiness: A Scientific Approach to Getting the Life You Want. 1a edición. New York: Penguin Press, 2008.

MLA (9th ed.) Citation

Lyubomirsky, Sonja autor. The How of Happiness: A Scientific Approach to Getting the Life You Want. 1a edición. Penguin Press, 2008.