APA (7th ed.) Citation

O'Hagan, S. R., & Lichtenberg, G. (2017). Extreme you: Step up.stand out.kick ass.repeat. Harper Collins Publishers.

Chicago Style (17th ed.) Citation

O'Hagan, Sarah Robb, and Greg Lichtenberg. Extreme You: Step Up.stand Out.kick Ass.repeat. New York: Harper Collins Publishers, 2017.

MLA (9th ed.) Citation

O'Hagan, Sarah Robb, and Greg Lichtenberg. Extreme You: Step Up.stand Out.kick Ass.repeat. Harper Collins Publishers, 2017.