To cite use of 'paleofire' in publications use:

Blarquez O., Vannière B., Marlon J. R., Daniau A.-L. Power M. J. Brewer S. and Bartlein P. J. 2014. paleofire: An R package to analyse sedimentary charcoal records from the Global Charcoal Database to reconstruct past biomass burning. Computers and Geosciences, 72, 255-261

Corresponding BibTeX entry:

  @Article{,
    title = {paleofire: An R package to analyse sedimentary charcoal
      records from the Global Charcoal Database to reconstruct past
      biomass burning},
    author = {Olivier Blarquez and Boris Vannière and Jennifer R.
      Marlon and Anne-Laure Daniau and Mitchell J. Power and Simon
      Brewer and Patrick J. Bartlein},
    journal = {Computers & Geosciences },
    volume = {72},
    pages = {255 - 261},
    year = {2014},
    issn = {0098-3004},
    doi = {10.1016/j.cageo.2014.07.020},
    url =
      {http://www.sciencedirect.com/science/article/pii/S0098300414001861},
  }