APA (7th ed.) Citation

Norcross, J. C., Loberg, K., & Norcross, J. (2012). Changeology: 5 steps to realizing your goals and resolutions. Simon & Schuster.

Chicago Style (17th ed.) Citation

Norcross, John C., Kristin Loberg, and Jonathon Norcross. Changeology: 5 Steps to Realizing Your Goals and Resolutions. New York: Simon & Schuster, 2012.

MLA (8th ed.) Citation

Norcross, John C., et al. Changeology: 5 Steps to Realizing Your Goals and Resolutions. Simon & Schuster, 2012.