To cite rcites use:

Geschke J, Cazelles K, Bartomeus I, Goldenberg J, Leduc M, Verzelen Y, Ross N, Siple M (2019). rcites: An R package to access the CITES Species+ database. R package version 1.0.1, https://ropensci.github.io/rcites/.

Corresponding BibTeX entry:

  @Manual{,
    title = {{rcites}: An R package to access the CITES Species+
      database},
    author = {Jonas Geschke and Kevin Cazelles and Ignasi Bartomeus and
      Jonathan Goldenberg and Marie-Bé Leduc and Yasmine Verzelen and
      Noam Ross and Margaret Siple},
    year = {2019},
    note = {R package version 1.0.1},
    url = {https://ropensci.github.io/rcites/},
  }