To cite vortexR in publications use:

Pacioni, C. and Mayer, F. W. (in prep). vortexR: an R package for post Vortex simulation analysis. Methods in Ecology and Evolution.

Corresponding BibTeX entry:

  @Article{,
    title = {vortexR: an R package for post Vortex simulation
      analysis.},
    author = {Carlo Pacioni and Florian W. Mayer},
    journal = {Methods in Ecology and Evolution.},
    year = {2017},
    pages = {in press},
  }