Cita APA (7a ed.)

Gilbert, D. T. (2006). Stumbling on happiness. Alfred A. Knopf.

Cita Chicago Style (17a ed.)

Gilbert, Daniel Todd. Stumbling on Happiness. New York: Alfred A. Knopf, 2006.

Cita MLA (9a ed.)

Gilbert, Daniel Todd. Stumbling on Happiness. Alfred A. Knopf, 2006.