Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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