APA (7th ed.) Citation

Picard, L. B., Barba, J., & Didot, F. (1821). Oeuvres. Chez J.N. Barba, Libraire, ... [etc.].

Chicago Style (17th ed.) Citation

Picard, Louis Benoît, Jean-Nicolas Barba, and Firmin Didot. Oeuvres. A Paris: Chez J.N. Barba, Libraire, ... [etc.], 1821.

MLA (9th ed.) Citation

Picard, Louis Benoît, et al. Oeuvres. Chez J.N. Barba, Libraire, ... [etc.], 1821.