APA (7th ed.) Citation

Lion, B., Michel, C., & Lion, B. (2008). Repères chronologiques.

Chicago Style (17th ed.) Citation

Lion, Brigitte, Cécile Michel, and B. Lion. Repères Chronologiques. 2008.

MLA (8th ed.) Citation

Lion, Brigitte, et al. Repères Chronologiques. 2008.