APA (7th ed.) Citation

Longour, M., Faller, R., Nadel, O., & Roederer, C. (2014). Les châteaux forts. Nathan.

Chicago Style (17th ed.) Citation

Longour, Michèle, Régis Faller, Olivier Nadel, and Charlotte Roederer. Les Châteaux Forts. Paris: Nathan, 2014.

MLA (8th ed.) Citation

Longour, Michèle, et al. Les Châteaux Forts. Nathan, 2014.