To cite package ‘plotlyGeoAssets’ in publications use:

Sievert C (2019). plotlyGeoAssets: Render 'Plotly' Maps without an Internet Connection. R package version 0.0.2, https://github.com/cpsievert/plotlygeoassets.

Corresponding BibTeX entry:

  @Manual{,
    title = {plotlyGeoAssets: Render 'Plotly' Maps without an Internet
      Connection},
    author = {Carson Sievert},
    year = {2019},
    note = {R package version 0.0.2},
    url = {https://github.com/cpsievert/plotlygeoassets},
  }