Citazione Stile APA (7a Edizione)

Crowell, J. F. (1920). Government war contracts. Oxford University Press. American Branch.

Citazione stile Chigago Style (17a edizione)

Crowell, J. Franklin. Government War Contracts. New York ; London ; Toronto ; Melbourne ; Bombay: Oxford University Press. American Branch, 1920.

Citatione MLA (9a ed.)

Crowell, J. Franklin. Government War Contracts. Oxford University Press. American Branch, 1920.