Cite Word Select your formatting style (APA, MLA, or CMS) and copy & paste the citation for open to your bibliography/works cited page.
American Psychological Association (APA):
open. (n.d.). WordNet 2.1. Retrieved May 21, 2008, from Word Source website: http://www.word.sc/open
Modern Language Association (MLA):
"open." WordNet 2.1. Princeton University. 21 May. 2008. <Word Source http://www.word.sc/open>
Chicago Manual Style (CMS):
open. Word Source. WordNet 2.1. Princeton University. http://www.word.sc/open (accessed: May 21, 2008).
Random 
Photo
Photo