To cite package ‘gtfs2gps’ in publications use:

Pereira R, Andrade P, Bazzo J (2026). gtfs2gps: Converting Transport Data from GTFS Format to GPS-Like Records. R package version 2.1-4.9000, https://github.com/ipea/gtfs2gps.

Corresponding BibTeX entry:

  @Manual{,
    title = {gtfs2gps: Converting Transport Data from GTFS Format to
      GPS-Like Records},
    author = {Rafael H. M. Pereira and Pedro R. Andrade and Joao
      Bazzo},
    year = {2026},
    note = {R package version 2.1-4.9000},
    url = {https://github.com/ipea/gtfs2gps},
  }