To cite package ‘multigrain’ in publications use:

  Spiers A, Moldovan-Grünfeld D (2026). _multigrain: Optimise Graphical
  Approaches to Multiple Testing Procedures_. R package version 1.0.0,
  <https://github.com/gsk-biostatistics/multigrain>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {multigrain: Optimise Graphical Approaches to Multiple Testing Procedures},
    author = {Alex Spiers and Dragoș Moldovan-Grünfeld},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://github.com/gsk-biostatistics/multigrain},
  }