BibTeX Reference for “Activity Vocabulary”

@TechReport{Snell:17:AV,
  author      = "James Snell and Evan Prodromou",
  title       = "Activity Vocabulary",
  month       = may,
  note        = "https://www.w3.org/TR/2017/REC-activitystreams-vocabulary-20170523/",
  year        = "2017",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Recommendation",
  institution = "W3C",
}