Citazione Stile APA (7a Edizione)

Howley, E. T., & Franks, B. D. (1997). Health fitness instructor's handbook (3rd ed.). Human Kinetics.

Citazione stile Chigago Style (17a edizione)

Howley, Edward T, e B. Don Franks. Health Fitness Instructor's Handbook. 3rd ed. Champaign, Ill: Human Kinetics, 1997.

Citatione MLA (9a ed.)

Howley, Edward T, e B. Don Franks. Health Fitness Instructor's Handbook. 3rd ed. Human Kinetics, 1997.