BibTeX Reference for “Cascading Style Sheets (CSS) Snapshot 2007”

@TechReport{Etemad:11:CSS,
  author      = "Elika Etemad",
  title       = "Cascading Style Sheets ({CSS}) Snapshot 2007",
  month       = may,
  note        = "https://www.w3.org/TR/2011/NOTE-css-beijing-20110512/",
  year        = "2011",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{WD} not longer in development",
  institution = "W3C",
}