To cite package 'CSTools' in publications use:

Perez-Zanon N, Caron L, Alvarez-Castro C, Batte L, Delgado C, von Hardenberg J, LLedo L, Manubens N, Palma L, Sanchez-Garcia E, van Schaeybroeck B, Torralba V, Verfaillie D (2025). CSTools: Assessing Skill of Climate Forecasts on Seasonal-to-Decadal Timescales. R package version 5.3.0.

Pérez-Zanón N, et al. (2022). “Climate Services Toolbox (CSTools) v4.0: from climate forecasts to climate forecast information.” Geoscientific Model Development. doi:10.5194/gmd-15-6115-2022, https://gmd.copernicus.org/articles/15/6115/2022/.

Corresponding BibTeX entries:

  @Manual{,
    title = {CSTools: Assessing Skill of Climate Forecasts on
      Seasonal-to-Decadal Timescales},
    author = {Nuria Perez-Zanon and Louis-Philippe Caron and Carmen
      Alvarez-Castro and Lauriane Batte and Carlos Delgado and Jost
      {von Hardenberg} and Llorenç LLedo and Nicolau Manubens and Lluís
      Palma and Eroteida Sanchez-Garcia and Bert {van Schaeybroeck} and
      Veronica Torralba and Deborah Verfaillie},
    year = {2025},
    note = {R package version 5.3.0},
  }

  @Article{,
    author = {Núria Pérez-Zanón and {et al.}},
    title = {Climate Services Toolbox (CSTools) v4.0: from climate
      forecasts to climate forecast information},
    doi = {10.5194/gmd-15-6115-2022},
    url = {https://gmd.copernicus.org/articles/15/6115/2022/},
    journal = {Geoscientific Model Development},
    publisher = {European Geosciences Union},
    year = {2022},
  }