BibTeX Reference for “CSS Multi-column Layout Module Level 1”

@TechReport{Andrew:21:CML,
  author      = "Rachel Andrew and Florian Rivoal",
  title       = "{CSS} Multi-column Layout Module Level 1",
  month       = oct,
  note        = "https://www.w3.org/TR/2021/CR-css-multicol-1-20211012/",
  year        = "2021",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "Candidate Recommendation",
  institution = "W3C",
}