APA (7th ed.) Citation

Headrick, D. R. (1991). The invisible weapon : telecommunications and international politics, 1851-1945 / Daniel R. Headrick: Telecommunications and international politics, 1851-1945. Oxford University Press.

Chicago Style (17th ed.) Citation

Headrick, Daniel R. The Invisible Weapon : Telecommunications and International Politics, 1851-1945 / Daniel R. Headrick: Telecommunications and International Politics, 1851-1945. New York ; London: Oxford University Press, 1991.

MLA (9th ed.) Citation

Headrick, Daniel R. The Invisible Weapon : Telecommunications and International Politics, 1851-1945 / Daniel R. Headrick: Telecommunications and International Politics, 1851-1945. Oxford University Press, 1991.

Warning: These citations may not always be 100% accurate.