APA stil citiranja

(2004). Viruses and spam: Viruses and spam : what you need to know. Sophos Plc.

Chicago stil citiranja

Viruses and spam: Viruses and spam : what you need to know. Sophos Plc, 2004.

MLA stil citiranja

Viruses and spam: Viruses and spam : what you need to know. Sophos Plc, 2004.

Napomena: Ova citiranost nije uvijek 100% točna.