Please cite LatticeKrig including its version number and DOI as

Nychka D, Hammerling D, Sain S, Lenssen N (2016). “LatticeKrig: Multiresolution Kriging Based on Markov Random Fields.” doi: 10.5065/D6HD7T1R, R package version 8.4, https://github.com/NCAR/LatticeKrig.

Corresponding BibTeX entry:

  @Misc{,
    title = {LatticeKrig: Multiresolution Kriging Based on Markov
      Random Fields},
    author = {Douglas Nychka and Dorit Hammerling and Stephan Sain and
      Nathan Lenssen},
    note = {R package version 8.4},
    organization = {University Corporation for Atmospheric Research},
    address = {Boulder, CO, USA},
    year = {2016},
    doi = {10.5065/D6HD7T1R},
    url = {https://github.com/NCAR/LatticeKrig},
  }