To cite the 'pbv' package in publications use:

Robitzsch A (2020). pbv: Probabilities for Bivariate Normal Distribution. R package version 0.4-22, https://CRAN.R-project.org/package=pbv.

Corresponding BibTeX entry:

  @Manual{pbv_R package version 0.4-22,
    title = {pbv: Probabilities for Bivariate Normal Distribution},
    author = {Alexander Robitzsch},
    year = {2020},
    note = {R package version 0.4-22},
    url = {https://CRAN.R-project.org/package=pbv},
  }