To cite package 'rasterVis' in publications use:

Perpiñán O, Hijmans R (2019). rasterVis. R package version 0.47, http://oscarperpinan.github.io/rastervis/.

Corresponding BibTeX entry:

  @Manual{,
    title = {{rasterVis}},
    author = {Oscar Perpi{\~n}{\'a}n and Robert Hijmans},
    year = {2019},
    url = {http://oscarperpinan.github.io/rastervis/},
    note = {R package version 0.47},
  }