To cite the 'LAM' package in publications use:

Robitzsch A (2020). LAM: Some latent variable models. R package version 0.5-15, https://CRAN.R-project.org/package=LAM.

Corresponding BibTeX entry:

  @Manual{,
    title = {LAM: Some latent variable models},
    author = {Alexander Robitzsch},
    year = {2020},
    note = {R package version 0.5-15},
    url = {https://CRAN.R-project.org/package=LAM},
  }