Citazione Stile APA (7a Edizione)

Feldman, F. (2010). Wath is this thing called happiness? (Primera edición.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Feldman, Fred. Wath Is This Thing Called Happiness? Primera edición. New York: Oxford University Press, 2010.

Citatione MLA (8a ed.)

Feldman, Fred. Wath Is This Thing Called Happiness? Primera edición. Oxford University Press, 2010.