Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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