To cite package ‘chirps’ in publications, please use:

  Kauê de Sousa and Adam H. Sparks and William Ashmall and Jacob van
  Etten and Svein Ø. Solberg (2020). chirps: API Client for the CHIRPS
  Precipitation Data in R. Journal of Open Source Software, 5(51),
  2419, https://doi.org/10.21105/joss.02419

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{chirps: API Client for the CHIRPS Precipitation Data in R}},
    author = {Kauê {de Sousa} and Adam H. Sparks and William Ashmall and Jacob {van Etten} and Svein Ø. Solberg},
    year = {2020},
    doi = {10.21105/joss.02419},
    journal = {The Journal of Open Source Software},
    publisher = {The Open Journal},
    volume = {5},
    number = {51},
    pages = {2419},
    url = {https://doi.org/10.21105/joss.02419},
  }