To cite package ‘nplr’ in publications use:

  Commo F, Bot B (2016). _nplr: N-Parameter Logistic Regression_. R
  package version 0.1-7, <https://github.com/fredcommo/nplr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {nplr: N-Parameter Logistic Regression},
    author = {Frederic Commo and Brian M. Bot},
    year = {2016},
    note = {R package version 0.1-7},
    url = {https://github.com/fredcommo/nplr},
  }