BibTeX Reference for “Widget Interface”

@TechReport{Caceres:18:WI,
  author      = "Marcos Caceres",
  title       = "Widget Interface",
  month       = oct,
  note        = "https://www.w3.org/TR/2018/OBSL-widgets-apis-20181011/",
  year        = "2018",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{WD} not longer in development",
  institution = "W3C",
}