MLA Style
"Word of the Day Pronunciation Key." YourDictionary. LoveToKnow, n.d. Web. 17 April 2013. <http://www.yourdictionary.com/pronunkey.html>.
APA Style
Word of the Day Pronunciation Key. (n.d.). Retrieved April 17th, 2013, from http://www.yourdictionary.com/pronunkey.html