Kearney MW (2018). rtweet: Collecting Twitter Data. R package version 0.6.7, https://cran.r-project.org/package=rtweet.

@Manual{rtweet-package,
  title = {rtweet: Collecting Twitter Data},
  author = {Michael W. Kearney},
  year = {2018},
  note = {R package version 0.6.7},
  url = {https://cran.r-project.org/package=rtweet},
}