To cite BSL in publications use:

An Z, South LF, Drovandi C (2022). “BSL: An R Package for Efficient Parameter Estimation for Simulation-Based Models via Bayesian Synthetic Likelihood.” Journal of Statistical Software, 101(11), 1–33. doi: 10.18637/jss.v101.i11.

Corresponding BibTeX entry:

  @Article{,
    title = {{BSL}: An {R} Package for Efficient Parameter Estimation
      for Simulation-Based Models via {B}ayesian Synthetic Likelihood},
    author = {Ziwen An and Leah F South and Christopher Drovandi},
    journal = {Journal of Statistical Software},
    year = {2022},
    volume = {101},
    number = {11},
    pages = {1--33},
    doi = {10.18637/jss.v101.i11},
  }