To cite SimNPH in publications use:

Klinglmüller F, Fellinger T, König F, Friede T, Hooker AC, Heinzl H, Mittlböck M, Brugger J, Bardo M, Huber C, Benda N, Posch M, Ristl R (2023). “A neutral comparison of statistical methods for time-to-event analyses under non-proportional hazards.” doi:10.48550/ARXIV.2310.05622.

Corresponding BibTeX entry:

  @Misc{,
    title = {A neutral comparison of statistical methods for
      time-to-event analyses under non-proportional hazards},
    author = {Florian Klinglmüller and Tobias Fellinger and Franz König
      and Tim Friede and Andrew C. Hooker and Harald Heinzl and Martina
      Mittlböck and Jonas Brugger and Maximilian Bardo and Cynthia
      Huber and Norbert Benda and Martin Posch and Robin Ristl},
    year = {2023},
    ulr = {https://arxiv.org/abs/2310.05622},
    doi = {10.48550/ARXIV.2310.05622},
    publisher = {arXiv},
  }