To cite package ‘ChillModels’ in publications use:

Pertille R, Sachet M, Citadin I, Guerrezi M (2020). ChillModels: Processing Chill and Heat Models for Temperate Fruit Trees. R package version 1.0.2, https://CRAN.R-project.org/package=ChillModels.

Corresponding BibTeX entry:

  @Manual{,
    title = {ChillModels: Processing Chill and Heat Models for
      Temperate Fruit Trees},
    author = {Rafael Henrique Pertille and Marcos Robson Sachet and
      Idemir Citadin and Marieli Teresinha Guerrezi},
    year = {2020},
    note = {R package version 1.0.2},
    url = {https://CRAN.R-project.org/package=ChillModels},
  }