To cite package meteo in publications use:

Kilibarda, M., T. Hengl, G. B. M. Heuvelink, B. Graeler, E. Pebesma, M. Percec Tadic, and B. Bajat (2014), Spatio-temporal interpolation of daily temperatures for global land areas at 1 km resolution, J. Geophys. Res. Atmos., 119, 2294-2313, doi:10.1002/2013JD020803.

Corresponding BibTeX entry:

  @Article{,
    title = {Spatio-temporal interpolation of daily temperatures for
      global land areas at 1 km resolution},
    author = {Milan Kilibarda and Tomislav Hengl and Gerard B. M.
      Heuvelink and Benedikt Graeler and Edzer Pebesma and Edzer
      Pebesma and Melita Percec Tadic and Branislav Bajat},
    journal = {J. Geophys. Res. Atmos.},
    year = {2014},
    volume = {119},
    pages = {2294-2313},
  }