Cita APA (7a ed.)

Achor, S. (2011). The happiness advantage: The seven principles that fuel success and performance at work. Virgin.

Cita Chicago Style (17a ed.)

Achor, Shawn. The Happiness Advantage: The Seven Principles That Fuel Success and Performance at Work. London: Virgin, 2011.

Cita MLA (9a ed.)

Achor, Shawn. The Happiness Advantage: The Seven Principles That Fuel Success and Performance at Work. Virgin, 2011.