Citazione Stile APA (7a Edizione)

Gaffert, G. A. (1940). Steam power stations (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Gaffert, Gustaf Adolf. Steam Power Stations. 2nd ed. New York,: McGraw-Hill, 1940.

Citatione MLA (8a ed.)

Gaffert, Gustaf Adolf. Steam Power Stations. 2nd ed. McGraw-Hill, 1940.