Jeffrey Zoeller of Witzell & Zoeller, P.C. in Lansing, Michigan, send out to the family law listserv this marvelous link to a Wikipedia page that is "sortable" showing cases around the world in which Wikipedia has been cited as legal authority. He remarked: "I can't keep a straight face." Funny. And of course, Jeff is right. It was the failure to give attribution about which the court complained--not once, but twice.
Jeffrey is a Mac lawyer, and his website is www.virtual-lawyer.net Addendum: I'm letting Jeffrey, who has a dry and delightful sense of humor, have the last word here: Properly attributed to Escher as "Drawing Hands," he sent the discussion group this "comment" about creating and then disseminating your own authority: