To cite rWind in publications use:

  Javier Fernández-López, Klaus Schliep (2019). rWind: Download, edit
  and include wind data in ecological and evolutionary analysis.
  Ecography 42: 804–810

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{rWind}: Download, edit and include wind data in ecological and  evolutionary analysis.},
    author = {Javier Fernández-López and Klaus Schliep},
    journal = {Ecography},
    volume = {42},
    number = {4},
    pages = {804-810},
    year = {2019},
    doi = {10.1111/ecog.03730},
    url = {https://doi.org/10.1111/ecog.03730},
  }

As rWind is evolving quickly, you may want to cite also its version
number (rWind 1.2.0).