Citazione Stile APA (7a Edizione)

Franklin, E. N. (2010). Happy feet: Dynamic base, effortless posture : Franklin Ball and imagery exercises for the feet, knees, and lower legs. OPTP.

Citazione stile Chigago Style (17a edizione)

Franklin, Eric N. Happy Feet: Dynamic Base, Effortless Posture : Franklin Ball and Imagery Exercises for the Feet, Knees, and Lower Legs. Minneapolis, Minn.: OPTP, 2010.

Citatione MLA (9a ed.)

Franklin, Eric N. Happy Feet: Dynamic Base, Effortless Posture : Franklin Ball and Imagery Exercises for the Feet, Knees, and Lower Legs. OPTP, 2010.