To cite package 'OPSR' in publications use:

  Heimgartner D, Wang X, tbc (2024). “OPSR: A package for estimating
  ordinal probit switching regression models in R.” _tbc_.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {OPSR: A package for estimating ordinal probit switching regression models in R},
    author = {Daniel Heimgartner and Xinyi Wang and {tbc}},
    journal = {tbc},
    year = {2024},
  }

  Wang X, Mokhtarian PL (2024). “Examining the treatment effect of
  teleworking on vehicle-miles driven: Applying an ordered probit
  selection model and incorporating the role of travel stress.”
  _Transportation Research Part A_, *186*, 104072.
  doi:10.1016/j.tra.2024.104072
  <https://doi.org/10.1016/j.tra.2024.104072>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Examining the treatment effect of teleworking on vehicle-miles driven: Applying an ordered probit selection model and incorporating the role of travel stress},
    author = {Xinyi Wang and Patricia L. Mokhtarian},
    journal = {Transportation Research Part A},
    year = {2024},
    volume = {186},
    pages = {104072},
    doi = {10.1016/j.tra.2024.104072},
  }