APA (7th ed.) Citation

Hume, D., Selby-Bigge, L. A., & Nidditch, P. H. (1975). Enquiries concerning human understanding and concerning the principles of morals (3d ed.). Clarendon Press.

Chicago Style (17th ed.) Citation

Hume, David, L. A. Selby-Bigge, and P. H. Nidditch. Enquiries Concerning Human Understanding and Concerning the Principles of Morals. 3d ed. Oxford: Clarendon Press, 1975.

MLA (9th ed.) Citation

Hume, David, et al. Enquiries Concerning Human Understanding and Concerning the Principles of Morals. 3d ed. Clarendon Press, 1975.