APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.