To cite simcausal in publications use:

Sofrygin O, van der Laan MJ and Neugebauer R (2017). “simcausal R Package: Conducting Transparent and Reproducible Simulation Studies of Causal Effect Estimation with Complex Longitudinal Data.” Journal of Statistical Software, 81(2), pp. 1–47. doi: 10.18637/jss.v081.i02.

Corresponding BibTeX entry:

  @Article{,
    title = {{simcausal} {R} Package: Conducting Transparent and
      Reproducible Simulation Studies of Causal Effect Estimation with
      Complex Longitudinal Data},
    author = {Oleg Sofrygin and Mark J. {van der Laan} and Romain
      Neugebauer},
    journal = {Journal of Statistical Software},
    year = {2017},
    volume = {81},
    number = {2},
    pages = {1--47},
    doi = {10.18637/jss.v081.i02},
  }