MLA Style
"Language Isolates." YourDictionary. LoveToKnow, n.d. Web. 17 April 2013. <http://www.yourdictionary.com/languages/isolates.html>.
APA Style
Language Isolates. (n.d.). Retrieved April 17th, 2013, from http://www.yourdictionary.com/languages/isolates.html