APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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