To cite youtubecaption in publications use:

Seo J, Choi S (2020). youtubecaption: Downloading YouTube Subtitle Transcription in a Tidy Tibble Data Frame. R package version 1.0.0, https://CRAN.R-project.org/package=youtubecaption.

Corresponding BibTeX entry:

  @Manual{,
    title = {youtubecaption: Downloading YouTube Subtitle Transcription
      in a Tidy Tibble Data Frame},
    author = {JooYoung Seo and Soyoung Choi},
    year = {2020},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=youtubecaption},
  }