To cite package ‘etsi’ in publications use:

Knowlton R, Parast L (2025). etsi: Efficient Testing Using Surrogate Information. R package version 1.0, https://CRAN.R-project.org/package=etsi.

Corresponding BibTeX entry:

  @Manual{,
    title = {etsi: Efficient Testing Using Surrogate Information},
    author = {Rebecca Knowlton and Layla Parast},
    year = {2025},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=etsi},
  }