APA (7th ed.) Citation

Roy, C., Delerue, G., Bourguignon, S., & Bouquet, M. Le sourir.

Chicago Style (17th ed.) Citation

Roy, Claude, Georges Delerue, Serge Bourguignon, and Michel Bouquet. Le Sourir.

MLA (9th ed.) Citation

Roy, Claude, et al. Le Sourir.

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