To cite rworldmap in publications, please use:

South, Andy 2011 rworldmap: A New R package for Mapping Global Data. The R Journal Vol. 3/1 : 35-43.

Corresponding BibTeX entry:

  @Article{,
    author = {Andy South},
    title = {rworldmap: A New R package for Mapping Global Data},
    journal = {The R Journal},
    year = {2011},
    volume = {3},
    number = {1},
    pages = {35-43},
    month = {June},
    issn = {2073-4859},
    url =
      {http://journal.r-project.org/archive/2011-1/RJournal_2011-1_South.pdf},
  }