Cite Word Select your formatting style (APA, MLA, or CMS) and copy & paste the citation for co-option to your bibliography/works cited page.
American Psychological Association (APA):
co-option. (n.d.). WordNet 2.1. Retrieved June 27, 2008, from Word Source website: http://www.word.sc/co-option
Modern Language Association (MLA):
"co-option." WordNet 2.1. Princeton University. 27 Jun. 2008. <Word Source http://www.word.sc/co-option>
Chicago Manual Style (CMS):
co-option. Word Source. WordNet 2.1. Princeton University. http://www.word.sc/co-option (accessed: June 27, 2008).
Random 
Photo
Photo