APA-Zitierstil (7. Ausg.)

Layard, P. R. G. (2005). Happiness: Lessons from a new science. Penguin Press.

Chicago-Zitierstil (17. Ausg.)

Layard, Peter R. G. Happiness: Lessons from a New Science. New York: Penguin Press, 2005.

MLA-Zitierstil (9. Ausg.)

Layard, Peter R. G. Happiness: Lessons from a New Science. Penguin Press, 2005.