APA (7th ed.) Citation

Petrucci, K. (2018). The 10-day belly slimdown: Lose your belly, heal your gut, enjoy a lighter, younger you (First edition.). Harmony Books.

Chicago Style (17th ed.) Citation

Petrucci, Kellyann. The 10-day Belly Slimdown: Lose Your Belly, Heal Your Gut, Enjoy a Lighter, Younger You. First edition. New York: Harmony Books, 2018.

MLA (8th ed.) Citation

Petrucci, Kellyann. The 10-day Belly Slimdown: Lose Your Belly, Heal Your Gut, Enjoy a Lighter, Younger You. First edition. Harmony Books, 2018.

Warning: These citations may not always be 100% accurate.