APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

Layard, Richard. Happiness: Lessons from a New Science. New York: Penguin Press, 2005.

MLA način citiranja (9. izdanje)

Layard, Richard. Happiness: Lessons from a New Science. Penguin Press, 2005.