To cite package ‘valection’ in publications use:

Cooper C (2018). valection: Sampler for Verification Studies. R package version 1.0.0, https://CRAN.R-project.org/package=valection.

Corresponding BibTeX entry:

  @Manual{,
    title = {valection: Sampler for Verification Studies},
    author = {Chris Cooper},
    year = {2018},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=valection},
  }