@Misc{rstan,
    title = {{RStan}: the {R} interface to {Stan}},
    author = {{Stan Development Team}},
    note = {R package version 2.21.8},
    year = {2023},
    url = {https://mc-stan.org/},
  }
@Misc{mc-stan,
    title = {Stan Modelling usersGuide and Reference Manual},
    author = {{Stan Development Team}},
    note = {R package version 2.26},
    year = {2022},
    url = {https://mc-stan.org/},
  }