To cite package ‘ssrn’ in publications use:

Uryu S, Tanoue Y, Yoneoka D (2020). ssrn: Scan Statistics for Railway Network. R package version 0.1.0, https://github.com/uribo/ssrn.

Corresponding BibTeX entry:

  @Manual{,
    title = {ssrn: Scan Statistics for Railway Network},
    author = {Shinya Uryu and Yuta Tanoue and Daisuke Yoneoka},
    year = {2020},
    note = {R package version 0.1.0},
    url = {https://github.com/uribo/ssrn},
  }