APA (7th ed.) Citation

Hume, D., & Selby-Bigge, L. A. (1972). Enquiries concerning the human understanding and concerning the principles of morals (2nd edition.). Clarendon Press.

Chicago Style (17th ed.) Citation

Hume, David, and L. A. Selby-Bigge. Enquiries Concerning the Human Understanding and Concerning the Principles of Morals. 2nd edition. Oxford: Clarendon Press, 1972.

MLA (9th ed.) Citation

Hume, David, and L. A. Selby-Bigge. Enquiries Concerning the Human Understanding and Concerning the Principles of Morals. 2nd edition. Clarendon Press, 1972.