"ethically use information from a variety of sources and media"
Practice makes perfect. Here are more citation challenges for students, catalogued by skill level.
Have the students search for the author and write down or type the information for you, or hold up their hand for you to check their work.
Free Coffee for Voters <http://blog.nola.com/dining/2008/11/companies_offer_free_coffee_ot.html>
Author: Catherine Clarke Fox
Publisher: NOLA.com (New OrleansNet LLC)
Author: Emily Fredrix
Publisher: National Geographic
The Dragon Kite <http://gddweb.org/dragon.html>
Author: DD Geert (Donker Duyvis Geert) [from contact email]
The Daily Dilemma <http://www.goodcharacter.com/dilemma/dilemma22.html>
Author: Charis Denison
Publisher: Live Wire Media