APA (7th ed.) Citation

Locke, J., & Hume, D. (1971). Social contract: Essays. Oxford Univ. Pr.

Chicago Style (17th ed.) Citation

Locke, John, and David Hume. Social Contract: Essays. London: Oxford Univ. Pr, 1971.

MLA (9th ed.) Citation

Locke, John, and David Hume. Social Contract: Essays. Oxford Univ. Pr, 1971.

Warning: These citations may not always be 100% accurate.