To cite package ‘backports’ in publications use:

Lang M, Murdoch D, R Core Team (2026). backports: Reimplementations of Functions Introduced Since R-3.0.0. R package version 1.5.1, https://github.com/r-lib/backports.

Corresponding BibTeX entry:

  @Manual{,
    title = {backports: Reimplementations of Functions Introduced Since
      R-3.0.0},
    author = {Michel Lang and Duncan Murdoch and {R Core Team}},
    year = {2026},
    note = {R package version 1.5.1},
    url = {https://github.com/r-lib/backports},
  }