APA (7th ed.) Zitazioa

Wettermark, G. (2009). Searching for proof (1a. ed.). Recito.

Chicago Style (17th ed.) Zitazioa

Wettermark, Gunnar. Searching for Proof. 1a. ed. Estocolmo: Recito, 2009.

MLA (9th ed.) Zitazioa

Wettermark, Gunnar. Searching for Proof. 1a. ed. Recito, 2009.