To cite package ‘iapws’ in publications use:

Debove J (2025). iapws: Formulations of the International Association for the Properties of Water and Steam. R package version 1.2, https://CRAN.R-project.org/package=iapws.

Corresponding BibTeX entry:

  @Manual{,
    title = {iapws: Formulations of the International Association for
      the Properties of Water and Steam},
    author = {Jonathan Debove},
    year = {2025},
    note = {R package version 1.2},
    url = {https://CRAN.R-project.org/package=iapws},
  }