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, Heinzl H, Posch M,
  Ristl R (2025). “A Comparison of Statistical Methods for
  Time-To-Event Analyses in Randomized Controlled Trials Under
  Non-Proportional Hazards.” _Statistics in Medicine_, *44*(5), e70019.
  doi:10.1002/sim.70019 <https://doi.org/10.1002/sim.70019>.
  <https://doi.org/10.1002/sim.70019>.

A BibTeX entry for LaTeX users is

  @Article{klinglmuller2025comparison,
    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 Harald Heinzl and Martin Posch and Robin Ristl},
    title = {A Comparison of Statistical Methods for Time-To-Event Analyses in Randomized Controlled Trials Under Non-Proportional Hazards},
    journal = {Statistics in Medicine},
    year = {2025},
    publisher = {Wiley Online Library},
    volume = {44},
    number = {5},
    pages = {e70019},
    url = {https://doi.org/10.1002/sim.70019},
    doi = {10.1002/sim.70019},
  }
