APA (7th ed.) Citation

Blond, G. (2002). The Marne: The battle that saved Paris and changed the course of the First World War. Prion.

Chicago Style (17th ed.) Citation

Blond, Georges. The Marne: The Battle That Saved Paris and Changed the Course of the First World War. London: Prion, 2002.

MLA (9th ed.) Citation

Blond, Georges. The Marne: The Battle That Saved Paris and Changed the Course of the First World War. Prion, 2002.