To cite neuRosim in publications use:

  Marijke Welvaert, Joke Durnez, Beatrijs Moerkerke, Geert Verdoolaege,
  Yves Rosseel (2011). neuRosim: An R Package for Generating fMRI Data.
  Journal of Statistical Software, 44(10), 1-18. URL
  http://www.jstatsoft.org/v44/i10/.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{neuRosim}: An {R} Package for Generating fMRI Data},
    author = {Marijke Welvaert and Joke Durnez and Beatrijs Moerkerke and Geert Verdoolaege and Yves Rosseel},
    journal = {Journal of Statistical Software},
    year = {2011},
    volume = {44},
    number = {10},
    pages = {1--18},
    url = {https://www.jstatsoft.org/v44/i10/},
  }