You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information.
<?xml version="1.0"?>
      <r ns="0" title="Center for Systemic Peace" />
      <r ns="0" title="Global Health Observatory (GHO)" />
      <r ns="0" title="International Diabetes Federation" />
      <r ns="0" title="International Energy Agency (IEA)" />
      <r ns="0" title="International Futures (IFs)" />
      <r ns="0" title="OECD Statistics Database Online" />
      <r ns="0" title="Result replication instructions for The Impact of COVID-19 on Long-term Projections of Poverty" />
      <r ns="0" title="Social Accounting Matrix (SAM)" />
      <r ns="0" title="World Resources Institute (WRI)" />