http://www.answers.com/topic/citric-acid#after_ad2
It gives the basic information about Citric Acid.
http://www.answers.com/topic/carl-wilhelm-scheele
This gives information on the discovery of Citric Acid and who discovered it.
http://bioinformatics.charite.de/superligands/drug_similarity.php?hetero=PGA
This is where we got our chime model.
http://www.answers.com/topic/citric-acid
We got more information about Citric Acid here.
www.flickr.com
This is where we got the pictures from.
http://en.allexperts.com/e/c/ci/citric_acid.htm
We got more information for Citric Acid from this page.
http://www.chiark.greenend.org.uk/~vclarke/citric_foods.html#natural
This site gives information about some sources that Citric Acid can be found.

"What family are you from?"
"Citrus."
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