Steps to reproduce:
1.Select an image
2.Click on Cite> Website/Book/Newspaper/Journal
It throws an error: Uncaught TypeError: Object #<VeDmMWBlockImageNode> has no method 'getInternalItem'
and VE gets stuck at this point, as you cannot close that dialog anymore
Test Environment: http://en.wikipedia.beta.wmflabs.org/
Browser: FF 25
OS: MAC OS X 10. 8. 5