To cite Sim.DiffProc in publications use:

Guidoum AC, Boukhetala K (2020). “Performing Parallel Monte Carlo and Moment Equations Methods for Itô and Stratonovich Stochastic Differential Systems: R Package Sim.DiffProc.” Journal of Statistical Software, 96(2), 1–82. doi:10.18637/jss.v096.i02.

Corresponding BibTeX entry:

  @Article{,
    title = {Performing Parallel Monte Carlo and Moment Equations
      Methods for It\^{o} and Stratonovich Stochastic Differential
      Systems: {R} Package {Sim.DiffProc}},
    author = {Arsalane Chouaib Guidoum and Kamal Boukhetala},
    journal = {Journal of Statistical Software},
    year = {2020},
    volume = {96},
    number = {2},
    pages = {1--82},
    doi = {10.18637/jss.v096.i02},
  }