APA (7th ed.) Zitazioa

Hookway, C. (1992). Scepticism. Routledge.

Chicago Style (17th ed.) Zitazioa

Hookway, Christopher. Scepticism. London: Routledge, 1992.

MLA (9th ed.) Zitazioa

Hookway, Christopher. Scepticism. Routledge, 1992.