Citazione Stile APA (7a Edizione)

Brittenham, D., & Brittenham, G. (1997). Stronger abs and back. Human Kinetics.

Citazione stile Chigago Style (17a edizione)

Brittenham, Dean, e Greg Brittenham. Stronger Abs and Back. Champaign, Ill: Human Kinetics, 1997.

Citatione MLA (9a ed.)

Brittenham, Dean, e Greg Brittenham. Stronger Abs and Back. Human Kinetics, 1997.