Citazione Stile APA (7a Edizione)

Hume, D., & Beauchamp, T. L. (1998). An inquiry concerning the principles of morals. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Hume, David, e Tom L. Beauchamp. An Inquiry Concerning the Principles of Morals. Oxford: Oxford University Press, 1998.

Citatione MLA (9a ed.)

Hume, David, e Tom L. Beauchamp. An Inquiry Concerning the Principles of Morals. Oxford University Press, 1998.