To cite package ‘splinetrials’ in publications use:

  Krieger N (2026). _splinetrials: Facilitate Clinical Trials Analysis
  Using Natural Cubic Splines_. R package version 0.1.1,
  <https://github.com/nikkrieger/splinetrials>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {splinetrials: Facilitate Clinical Trials Analysis Using Natural Cubic Splines},
    author = {Nik Krieger},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://github.com/nikkrieger/splinetrials},
  }