@misc{wik-09-wikixgrow,
  author = {User:Wikid77},
  title = {Wikipedia:Modelling Wikipedia extended growth},
  url = {http://en.wikipedia.org/wiki/Wikipedia:Modelling_Wikipedia_extended_growth},
  howpublished = {English Wikipedia internal article. Acessed on 2009-11-29. See also the users's personal page on Wikipedia.},
  year = 2009
}