Thread:Extension talk:Cite/Reading variables from the page in Extension:CiteThisPage

When one uses CiteThisPage in a place like WikiSource which contains say content from the Oxford Dictionary of National Biography - there is no way to make the CiteThisPage output reflect the actual author and publisher (and instead it says author Wikisource authors etc.). Would it be possible for it to be extended so that it reads certain predefined template variables in the page and allow customized output.