Cita APA (7a ed.)

Clausewitz, C. v., & Gatzke, H. W. (1943). Principles of war. John Lane.

Cita Chicago Style (17a ed.)

Clausewitz, Carl von, y Hans W. Gatzke. Principles of War. London: John Lane, 1943.

Cita MLA (9a ed.)

Clausewitz, Carl von, y Hans W. Gatzke. Principles of War. John Lane, 1943.