APA (7th ed.) Citation

Holiday,Ryan. (2016). Ego is the enemy. Profile Books Ltd.

Chicago Style (17th ed.) Citation

Holiday,Ryan. Ego Is the Enemy. Great Britain: Profile Books Ltd, 2016.

MLA (9th ed.) Citation

Holiday,Ryan. Ego Is the Enemy. Profile Books Ltd, 2016.

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