Cita APA

Sinek, S., & Sinek, S. (2009). Start with why: How great leaders inspire everyone to take action. New York, New York: Portfolio/Penguin.

Citación estilo Chicago

Sinek, Simon, y Simon Sinek. Start With Why: How Great Leaders Inspire Everyone to Take Action. New York, New York: Portfolio/Penguin, 2009.

Cita MLA

Sinek, Simon, y Simon Sinek. Start With Why: How Great Leaders Inspire Everyone to Take Action. New York, New York: Portfolio/Penguin, 2009.