Citazione Stile APA (7a Edizione)

Ernst, W. (1949). Oil hydraulic power and its industrial applications. McGraw-Hill Book Co..

Citazione stile Chigago Style (17a edizione)

Ernst, Walter. Oil Hydraulic Power and Its Industrial Applications. New York: McGraw-Hill Book Co., 1949.

Citatione MLA (8a ed.)

Ernst, Walter. Oil Hydraulic Power and Its Industrial Applications. McGraw-Hill Book Co., 1949.