APA (7th ed.) Citation

Elko, K. (2009). True greatness: Mastering the inner game of business success. American Management Association.

Chicago Style (17th ed.) Citation

Elko, Kevin. True Greatness: Mastering the Inner Game of Business Success. New York: American Management Association, 2009.

MLA (8th ed.) Citation

Elko, Kevin. True Greatness: Mastering the Inner Game of Business Success. American Management Association, 2009.

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