Cita APA (7a ed.)

Hsieh, T. (2013). 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, 2013.

Cita MLA (9a ed.)

Hsieh, Tony. Delivering Happiness: A Path to Profits, Passion, and Purpose. Grand central publishing, 2013.