To cite package ‘controller’ in publications use:

Roe J (2026). controller: Controlled Vocabularies. R package version 0.1.0, https://CRAN.R-project.org/package=controller.

Corresponding BibTeX entry:

  @Manual{,
    title = {controller: Controlled Vocabularies},
    author = {Joe Roe},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=controller},
  }