APA (7th ed.) Citation

COVEY. (2006). The 6 Most Important Decisions You'll Ever Make: A guide for teens. Fireside.

Chicago Style (17th ed.) Citation

COVEY. The 6 Most Important Decisions You'll Ever Make: A Guide for Teens. New York: Fireside, 2006.

MLA (9th ed.) Citation

COVEY. The 6 Most Important Decisions You'll Ever Make: A Guide for Teens. Fireside, 2006.