To cite package ‘MRFtools’ in publications use:

  Pedersen E, Simpson G (2023). _MRFtools: Tools for Constructing and
  Plotting Markov Random Fields in R for Graphical Data_. R package
  version 0.0-2, <https://github.com/eric-pedersen/mrftools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {MRFtools: Tools for Constructing and Plotting Markov Random Fields in R
for Graphical Data},
    author = {Eric J. Pedersen and Gavin L. Simpson},
    year = {2023},
    note = {R package version 0.0-2},
    url = {https://github.com/eric-pedersen/mrftools},
  }