APA (7th ed.) Citation

Bopp, L., Turel, A., & Bopp, L. (1943). Napoleon .. Éditions Omega.

Chicago Style (17th ed.) Citation

Bopp, Léon, Adrian Turel, and Léon Bopp. Napoleon .. Genf: Éditions Omega, 1943.

MLA (9th ed.) Citation

Bopp, Léon, et al. Napoleon .. Éditions Omega, 1943.