APA Citation

Sinek, S. (2011). Start with Why: How Great Leaders Inspire Everyone to Take Action. London: Portfolio Penguin.

Chicago Style Citation

Sinek, Simon. Start With Why: How Great Leaders Inspire Everyone to Take Action. London: Portfolio Penguin, 2011.

MLA Citation

Sinek, Simon. Start With Why: How Great Leaders Inspire Everyone to Take Action. London: Portfolio Penguin, 2011.

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