Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Sinek, Simon. Start with Why: How Great Leaders Inspire Everyone to Take Action. New York: Portfolio, 2009.

Cita MLA (8a ed.)

Sinek, Simon. Start with Why: How Great Leaders Inspire Everyone to Take Action. Portfolio, 2009.

Precaución: Estas citas no son 100% exactas.