APA (7th ed.) Zitazioa

Gregory, S. (2009). A vein of deceit. Sphere.

Chicago Style (17th ed.) Zitazioa

Gregory, Susanna. A Vein of Deceit. London: Sphere, 2009.

MLA (9th ed.) Zitazioa

Gregory, Susanna. A Vein of Deceit. Sphere, 2009.