Free members: be logged in on the site. Use the deletion link. On that page, bottom right, it reads CANCEL: click it and follow the final steps.
Paying members: act the same way, otherwise read and follow: http://help.aol.com/help/microsites/search.do?cmd=displayKC&docType=ex&bbid=TSEBB_1273499895483&url=&stateId=1%201%20473446989&dialogID=2620914797&docTypeID=DT_AOLHOW_TO_1_1&externalId=219764&sliceId=1&rfId=&radios=False
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.