Cita APA (7th ed.)

Ardal, P. S. (1966). Passion and value in Hume's treatise. Edinburgh University.

Cita Chicago (17th ed.)

Ardal, Páll S. Passion and Value in Hume's Treatise. Edimburgo: Edinburgh University, 1966.

Cita MLA (9th ed.)

Ardal, Páll S. Passion and Value in Hume's Treatise. Edinburgh University, 1966.