You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <random>
      <page id="77" ns="0" title="20121120 - CisarNet WiFi: Sottorete 44.208/16, ipotesi di richiesta routing diretto Internet" />
      <page id="44" ns="0" title="Prospettive di evoluzione, sviluppo e relative strategie" />
    </random>
  </query>
</api>