To cite package 'wrassp' in publications use:

Lasse Bombien, Raphael Winkelmann and Michel Scheffers (2018). wrassp: an R wrapper to the ASSP Library R package version 0.1.8.

Corresponding BibTeX entry:

  @Manual{,
    title = {wrassp: an R wrapper to the ASSP Library},
    author = {Lasse Bombien and Raphael Winkelmann and Michel
      Scheffers},
    year = {2018},
    note = {R package version 0.1.8},
  }