Citazione Stile APA (7a Edizione)

Hills, R. L. (1989). Power from steam: A history of the stationary steam engine. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Hills, Richard Leslie. Power from Steam: A History of the Stationary Steam Engine. Cambridge [England]: Cambridge University Press, 1989.

Citatione MLA (9a ed.)

Hills, Richard Leslie. Power from Steam: A History of the Stationary Steam Engine. Cambridge University Press, 1989.