Cita APA (7a ed.)

Locke, J., Hume, D., Rousseau, J., & Barker, E. (1976). Social contract (Repr.). Oxford University Press.

Cita Chicago Style (17a ed.)

Locke, John, David Hume, Jean-Jacques Rousseau, y Ernest Barker. Social Contract. Repr. London [etc.]: Oxford University Press, 1976.

Cita MLA (9a ed.)

Locke, John, et al. Social Contract. Repr. Oxford University Press, 1976.