Stretch to win : flexibility for improved speed, power, and agility
  MLA
  Frederick, Ann, and Chris Frederick. Stretch to Win : Flexibility for Improved Speed, Power, and Agility. Second edition Champaign: Human Kinetics, 2017.
  APA
  Frederick, A., & Frederick, C. (2017). Stretch to win : flexibility for improved speed, power, and agility. Second edition Champaign: Human Kinetics.
  Chicago
  Frederick, Ann, and Chris Frederick. Stretch to Win: Flexibility for Improved Speed, Power, and Agility. Second edition Champaign: Human Kinetics, 2017.