To cite GNAR in publications use:

Knight M, Leeming K, Nason G, Nunes M (2020). “Generalized Network Autoregressive Processes and the GNAR Package.” Journal of Statistical Software, 96(5), 1–36. doi:10.18637/jss.v096.i05.

Corresponding BibTeX entry:

  @Article{,
    title = {Generalized Network Autoregressive Processes and the
      {GNAR} Package},
    author = {Marina Knight and Kathryn Leeming and Guy Nason and
      Matthew Nunes},
    journal = {Journal of Statistical Software},
    year = {2020},
    volume = {96},
    number = {5},
    pages = {1--36},
    doi = {10.18637/jss.v096.i05},
  }