APA (7th ed.) Citation

Christiansen, R. (2012). The zigzag principle: The goal-setting strategy that will revolutionize your business and your life (1st edition.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Christiansen, Rich. The Zigzag Principle: The Goal-setting Strategy That Will Revolutionize Your Business and Your Life. 1st edition. New York: McGraw-Hill, 2012.

MLA (9th ed.) Citation

Christiansen, Rich. The Zigzag Principle: The Goal-setting Strategy That Will Revolutionize Your Business and Your Life. 1st edition. McGraw-Hill, 2012.