APA (7th ed.) Citation

Helvetius, Allan, P., Smith, D., Orsoni, J., Dainard, J. A., & Helvetius, A. (1981). Correspondance générale d'Helvétius, Volume I: 1737-1756 / Lettres 1-249. University of Toronto Press.

Chicago Style (17th ed.) Citation

Helvetius, Peter Allan, David Smith, Jean Orsoni, J. A. Dainard, and Anne-Catherine Helvetius. Correspondance Générale D'Helvétius, Volume I: 1737-1756 / Lettres 1-249. Toronto: University of Toronto Press, 1981.

MLA (8th ed.) Citation

Helvetius, et al. Correspondance Générale D'Helvétius, Volume I: 1737-1756 / Lettres 1-249. University of Toronto Press, 1981.