Citazione Stile APA (7a Edizione)

Hume, D. (1998). An enquiry concerning the principles of morals. Univ. Pr.

Citazione stile Chigago Style (17a edizione)

Hume, David. An Enquiry Concerning the Principles of Morals. Oxford: Univ. Pr, 1998.

Citatione MLA (9a ed.)

Hume, David. An Enquiry Concerning the Principles of Morals. Univ. Pr, 1998.