To cite package ‘sem’ in publications use:

Fox J, Nie Z, Byrnes J (2024). sem: Structural Equation Models. R package version 3.1-16, https://CRAN.R-project.org/package=sem.

Corresponding BibTeX entry:

  @Manual{,
    title = {sem: Structural Equation Models},
    author = {John Fox and Zhenghua Nie and Jarrett Byrnes},
    year = {2024},
    note = {R package version 3.1-16},
    url = {https://CRAN.R-project.org/package=sem},
  }