Citazione Stile APA (7a Edizione)

Allen, O. E. (1981). Building sound bones and muscles. Time-Life Books.

Citazione stile Chigago Style (17a edizione)

Allen, Oliver E. Building Sound Bones and Muscles. Alexandria, Va: Time-Life Books, 1981.

Citatione MLA (9a ed.)

Allen, Oliver E. Building Sound Bones and Muscles. Time-Life Books, 1981.