To cite package ‘tout’ in publications use:

  Wilson D (2026). _tout: Optimal Sample Size and Progression Criteria
  for Three-Outcome Trials_. R package version 1.0.3.9000,
  <https://github.com/lictr/tout>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tout: Optimal Sample Size and Progression Criteria for Three-Outcome
Trials},
    author = {Duncan Wilson},
    year = {2026},
    note = {R package version 1.0.3.9000},
    url = {https://github.com/lictr/tout},
  }