APA (7th ed.) Citation

Locke, J., Hume, D., & Rousseau, J. (1948). Social contract: Essays by Locke, Hume and Rousseau. Oxford University Press.

Chicago Style (17th ed.) Citation

Locke, John, David Hume, and Jean-Jacques Rousseau. Social Contract: Essays by Locke, Hume and Rousseau. New York ; London: Oxford University Press, 1948.

MLA (9th ed.) Citation

Locke, John, et al. Social Contract: Essays by Locke, Hume and Rousseau. Oxford University Press, 1948.