MLA

Posen, Barry. The Sources of Military Doctrine : France, Britain, and Germany Between the World Wars. Ithaca: Cornell University Press, 1984.

APA

Posen, B. (1984). The sources of military doctrine : France, Britain, and Germany between the world wars. Ithaca: Cornell University Press.

Chicago

Posen, Barry The Sources of Military Doctrine: France, Britain, and Germany Between the World Wars. Ithaca: Cornell University Press, 1984.