Cita APA (7a ed.)

Hume, D. An enquiry concerning human understanding. Alex Catalogue.

Cita Chicago Style (17a ed.)

Hume, David. An Enquiry Concerning Human Understanding. Raleigh, N.C.: Alex Catalogue.

Cita MLA (8a ed.)

Hume, David. An Enquiry Concerning Human Understanding. Alex Catalogue.