APA (7th ed.) Citation

Ludwig, E., Stern, A., & Bidou, H. (1930). Napoléon. Payot.

Chicago Style (17th ed.) Citation

Ludwig, Emil, Alfred Stern, and Henry Bidou. Napoléon. Paris: Payot, 1930.

MLA (9th ed.) Citation

Ludwig, Emil, et al. Napoléon. Payot, 1930.