To cite package ‘nsapi’ in publications use:

  Hogervorst R (2024). _nsapi: Connect to the NS (Dutch Railways) API_.
  R package version 0.1.0.9000, ,
  <https://github.com/rmhogervorst/nsapi>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {nsapi: Connect to the NS (Dutch Railways) API},
    author = {Roel M. Hogervorst},
    year = {2024},
    note = {R package version 0.1.0.9000, 
},
    url = {https://github.com/rmhogervorst/nsapi},
  }