Cita APA (7a ed.)

Gerwarth, R., & Horne, J. (2013). War in peace: Paramilitary violence in Europe after the Great War. Oxford University Press.

Cita Chicago Style (17a ed.)

Gerwarth, Robert, y John Horne. War in Peace: Paramilitary Violence in Europe After the Great War. Oxford: Oxford University Press, 2013.

Cita MLA (9a ed.)

Gerwarth, Robert, y John Horne. War in Peace: Paramilitary Violence in Europe After the Great War. Oxford University Press, 2013.