Cita APA (7a ed.)

Hsieh, T. (2010). Delivering Happiness: A Path to Profits, Passion, and Purpose. Grand Central Publishing.

Cita Chicago Style (17a ed.)

Hsieh, Tony. Delivering Happiness: A Path to Profits, Passion, and Purpose. New York: Grand Central Publishing, 2010.

Cita MLA (9a ed.)

Hsieh, Tony. Delivering Happiness: A Path to Profits, Passion, and Purpose. Grand Central Publishing, 2010.