To cite the groc package in publications use:

Bilodeau, P. and Lafaye de Micheaux, P. and Mahdi, S. (2014) The R Package groc for Generalized Regression on Orthogonal Components Journal of Statistical Software vol. ??, p. ??-??

Corresponding BibTeX entry:

  @Article{,
    title = {The R Package groc for Generalized Regression on
      Orthogonal Components},
    author = {M. Bilodeau and P. Lafaye de Micheaux and S. Mahdi},
    journal = {Journal of Statistical Software},
    year = {2014},
    pages = {??-??},
    volume = {??},
  }