APA (7th ed.) Citation

Perris, G. H. (1920). The battle of the Marne. Methuen.

Chicago Style (17th ed.) Citation

Perris, G. H. The Battle of the Marne. London: Methuen, 1920.

MLA (9th ed.) Citation

Perris, G. H. The Battle of the Marne. Methuen, 1920.

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