To cite NScluster/OpenMP in publications use:

Tanaka U, Saga M, Nakano J (2021). “NScluster: An R Package for Maximum Palm Likelihood Estimation for Cluster Point Process Models Using OpenMP.” Journal of Statistical Software, 98(6), 1–22. doi:10.18637/jss.v098.i06.

Corresponding BibTeX entry:

  @Article{,
    title = {{NScluster}: An {R} Package for Maximum {P}alm Likelihood
      Estimation for Cluster Point Process Models Using {OpenMP}},
    author = {Ushio Tanaka and Masami Saga and Junji Nakano},
    journal = {Journal of Statistical Software},
    year = {2021},
    volume = {98},
    number = {6},
    pages = {1--22},
    doi = {10.18637/jss.v098.i06},
  }