To cite package pavo in publications use:

Maia R., Eliason C.M., Bitton P.-P., Doucet S.M. and Shawkey M.D. pavo: an R package for the analysis, visualization and organization of spectral data. Submitted.

Corresponding BibTeX entry:

  @Article{,
    title = {pavo: an R package for the analysis, visualization and
      organization of spectral data},
    author = {Rafael Maia and Chad M. Eliason and Pierre-Paul Bitton
      and Stephanie M. Doucet and Matthew D. Shawkey},
    journal = {submitted},
    year = {2013},
  }