To cite package ‘endogeneity’ in publications use:

  Peng J (2025). _endogeneity: Recursive Two-Stage Models to Address
  Endogeneity_. R package version 2.1.5,
  <https://CRAN.R-project.org/package=endogeneity>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {endogeneity: Recursive Two-Stage Models to Address Endogeneity},
    author = {Jing Peng},
    year = {2025},
    note = {R package version 2.1.5},
    url = {https://CRAN.R-project.org/package=endogeneity},
  }