Citazione Stile APA (7a Edizione)

Frederick, A., & Frederick, C. (2017). Stretch to win (Second edition.). Human Kinetics.

Citazione stile Chigago Style (17a edizione)

Frederick, Ann, e Chris Frederick. Stretch to Win. Second edition. Champaign, IL: Human Kinetics, 2017.

Citatione MLA (9a ed.)

Frederick, Ann, e Chris Frederick. Stretch to Win. Second edition. Human Kinetics, 2017.