Originally posted by: Babbles
So far I think Wikipedia has done a good job of filtering out bad information from the good. It may be worthwhile to use so you learn about a topic, however I would not cite Wikipedia itself but rather look for citations within the Wikipedia entries. Hopefully whomever wrote up the entry on what you are researching has included links to primary sources which you can cite.
Keep in mind that Wikipedia would be a secondary source and you may be better off citing a primary source, which itself should be cited in the Wikipedia entry.