APA (7th ed.) Citation

Sinek, S. (2017). Leaders eat last: Why some teams pull together and others don't. Portfolio Penguin.

Chicago Style (17th ed.) Citation

Sinek, Simon. Leaders Eat Last: Why Some Teams Pull Together and Others Don't. UK: Portfolio Penguin, 2017.

MLA (8th ed.) Citation

Sinek, Simon. Leaders Eat Last: Why Some Teams Pull Together and Others Don't. Portfolio Penguin, 2017.

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