Word 2010 comes with a list of default referencing styles. But on my computer the ribbon is blanked out. How do I fix this?
Check the style directory located at
If the style directory is either empty or non-existent, you may have a borked installation. Reinstall Office
for more information see this thread: http://www.pchelpforum.com/office-software/49655-word-2007-citations-referencing.html