To cite package RFLPtools in publications use:

Flessa, F., Kehl, A., and Kohl, M. (2013). RFLPtools: Tools to analyse RFLP data. R package version 1.5.

Corresponding BibTeX entry:

  @Manual{,
    title = {RFLPtools: Tools to analyse RFLP data},
    author = {F. Flessa and A. Kehl and M. Kohl},
    language = {English},
    year = {2013},
    note = {R package version 1.5},
    type = {R package},
  }