APA (7th ed.) Citation

Childre, D. L. (1999). The HearthMath solution: The institute of HeartMath's revolutionary program for engaging the power of the heart's intelligence. Harper Collins Publishers.

Chicago Style (17th ed.) Citation

Childre, Doc Lew. The HearthMath Solution: The Institute of HeartMath's Revolutionary Program for Engaging the Power of the Heart's Intelligence. New York: Harper Collins Publishers, 1999.

MLA (9th ed.) Citation

Childre, Doc Lew. The HearthMath Solution: The Institute of HeartMath's Revolutionary Program for Engaging the Power of the Heart's Intelligence. Harper Collins Publishers, 1999.