To cite package ‘gtfsio’ in publications use:

Herszenhut D, Poletti F, Padgham M (2026). gtfsio: Read and Write General Transit Feed Specification (GTFS) Files. R package version 1.2.1.900, https://github.com/r-transit/gtfsio.

Corresponding BibTeX entry:

  @Manual{,
    title = {gtfsio: Read and Write General Transit Feed Specification
      (GTFS) Files},
    author = {Daniel Herszenhut and Flavio Poletti and Mark Padgham},
    year = {2026},
    note = {R package version 1.2.1.900},
    url = {https://github.com/r-transit/gtfsio},
  }