Citazione Stile APA (7a Edizione)

(1990). HyperTrainer! / developed by Michael Giamo and John Green of Drexel University.

Citazione stile Chigago Style (17a edizione)

HyperTrainer! / Developed by Michael Giamo and John Green of Drexel University. 1990.

Citatione MLA (9a ed.)

HyperTrainer! / Developed by Michael Giamo and John Green of Drexel University. 1990.