To cite package 'TapeR' in publications use:

Edgar Kublin and Johannes Breidenbach (2015). TapeR: Flexible tree taper curves based on Semiparametric Mixed Models. R package version 0.3.3.

Corresponding BibTeX entry:

  @Manual{,
    title = {TapeR: Flexible tree taper curves based on Semiparametric
      Mixed Models},
    author = {Edgar Kublin and Johannes Breidenbach},
    year = {2015},
    note = {R package version 0.3.3},
  }