To cite package 'rasterVis' in publications use:

Perpiñán O, Hijmans R (2020). rasterVis. R package version 0.49, https://oscarperpinan.github.io/rastervis/.

Corresponding BibTeX entry:

  @Manual{,
    title = {{rasterVis}},
    author = {Oscar Perpi{\~n}{\'a}n and Robert Hijmans},
    year = {2020},
    url = {https://oscarperpinan.github.io/rastervis/},
    note = {R package version 0.49},
  }