APA (7th ed.) Citation

Dale Carnegie Training. (2009). Leadership mastery: How to challenge yourself and others to greatness. A Fireside Book.

Chicago Style (17th ed.) Citation

Dale Carnegie Training. Leadership Mastery: How to Challenge Yourself and Others to Greatness. New York: A Fireside Book, 2009.

MLA (8th ed.) Citation

Dale Carnegie Training. Leadership Mastery: How to Challenge Yourself and Others to Greatness. A Fireside Book, 2009.