To cite package ‘date’ in publications use:

Therneau T, Hornik K (2026). date: Functions for Handling Dates. R package version 1.2-43, https://CRAN.R-project.org/package=date.

Corresponding BibTeX entry:

  @Manual{,
    title = {date: Functions for Handling Dates},
    author = {Terry Therneau and Kurt Hornik},
    year = {2026},
    note = {R package version 1.2-43},
    url = {https://CRAN.R-project.org/package=date},
  }