MLA Style
"Word of the Day Pronunciation Key." YourDictionary. LoveToKnow, n.d. Web. 23 May 2012. <http://www.yourdictionary.com/pronunkey.html>.
APA Style
Word of the Day Pronunciation Key. (n.d.). Retrieved May 23rd, 2012, from http://www.yourdictionary.com/pronunkey.html