Cita APA (7a ed.)

Hume, D. (1985). A treatise of human nature. Penguin.

Cita Chicago Style (17a ed.)

Hume, David. A Treatise of Human Nature. [Harmondsworth]: Penguin, 1985.

Cita MLA (9a ed.)

Hume, David. A Treatise of Human Nature. Penguin, 1985.