APA (7th ed.) Citation

McKenna, P., & Neill, M. (2013). Change your life in 7 days (1st U.S. ed.). Sterling.

Chicago Style (17th ed.) Citation

McKenna, Paul, and Michael Neill. Change Your Life in 7 Days. 1st U.S. ed. New York: Sterling, 2013.

MLA (9th ed.) Citation

McKenna, Paul, and Michael Neill. Change Your Life in 7 Days. 1st U.S. ed. Sterling, 2013.