APA (7th ed.) Citation

Andrews, A. (2009). The butterfly effect: How your life matters. Simple Truths.

Chicago Style (17th ed.) Citation

Andrews, Andy. The Butterfly Effect: How Your Life Matters. Naperville, Ill.: Simple Truths, 2009.

MLA (8th ed.) Citation

Andrews, Andy. The Butterfly Effect: How Your Life Matters. Simple Truths, 2009.

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