APA (7th ed.) Citation

(1956). Champagne, Ardenne, Vallée de la Meuse. Hachette.

Chicago Style (17th ed.) Citation

Champagne, Ardenne, Vallée De La Meuse. Paris: Hachette, 1956.

MLA (9th ed.) Citation

Champagne, Ardenne, Vallée De La Meuse. Hachette, 1956.

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