To cite the wdpar package in publications, use:

Hanson JO (2019) wdpar: Interface to the World Database on Protected Areas. R package version 1.0.0. https://CRAN.R-project.org/package=wdpar

UNEP-WCMC and IUCN (2019) Protected Planet: The World Database on Protected Areas (WDPA), [insert month/year of the version downloaded], Cambridge, UK: UNEP-WCMC and IUCN. Available at: www.protectedplanet.net.

Please cite both the World Database on Protected Areas data set and this package.

Corresponding BibTeX entries:

  @Manual{,
    author = {Jeffrey O Hanson},
    title = {wdpar: Interface to the World Database on Protected
      Areas},
    year = {2019},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=wdpar},
  }
  @Manual{,
    author = {{UNEP-WCMC} and {IUCN}},
    title = {Protected Planet: The World Database on Protected Areas
      (WDPA)},
    year = {2019},
    publisher = {UNEP-WCMC and IUCN},
    publisheraddress = {Cambridge, UK},
    url = {https://www.protectedplanet.net},
  }