APA (7th ed.) Citation

Locke, J., Churchill, A., & Manship, S. (1721). An Essay concerning Human Understanding. In four books. Printed for A. Churchill and A. [sic] Manship ..

Chicago Style (17th ed.) Citation

Locke, John, Awnsham Churchill, and Samuel Manship. An Essay Concerning Human Understanding. In Four Books. London: Printed for A. Churchill and A. [sic] Manship ., 1721.

MLA (9th ed.) Citation

Locke, John, et al. An Essay Concerning Human Understanding. In Four Books. Printed for A. Churchill and A. [sic] Manship ., 1721.