Citazione Stile APA (7a Edizione)
Kahn, D. (2004). The reader of gentlemen's mail: Herbert O. Yardley and the birth of American codebreaking. Yale University Press.
Citazione stile Chigago Style (17a edizione)
Kahn, David. The Reader of Gentlemen's Mail: Herbert O. Yardley and the Birth of American Codebreaking. New Haven: Yale University Press, 2004.
Citatione MLA (9a ed.)
Kahn, David. The Reader of Gentlemen's Mail: Herbert O. Yardley and the Birth of American Codebreaking. Yale University Press, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.