To cite pspatreg in publications use:

Mínguez, R.; Basile, R. and Durbán, M. (2020). An Alternative Semiparametric Model for Spatial Panel Data. Statistical Methods and Applications, 29(4), 669-708. URL https://link.springer.com/article/10.1007/s10260-019-00492-8

Basile, R.; Durbán, M.; Mínguez, R.; Montero, J.M. and Mur, J. (2014). Modeling regional economic dynamics: Spatial dependence, spatial heterogeneity and nonlinearities. Journal of Economic Dynamics and Control, 48, 229-245. URL https://www.sciencedirect.com/science/article/abs/pii/S0165188914001493

Corresponding BibTeX entries:

  @Article{,
    title = {An alternative semiparametric model for spatial panel
      data},
    author = {Roman Minguez and Roberto Basile and Maria Durban},
    journal = {Statistical Methods & Applications},
    volume = {29},
    number = {4},
    pages = {669--708},
    year = {2020},
    publisher = {Springer},
    doi = {10.1007/s10260-019-00492-8},
    url =
      {https://link.springer.com/article/10.1007/s10260-019-00492-8},
  }

  @Article{,
    title = {Modeling regional economic dynamics: spatial dependence,
      spatial heterogeneity and nonlinearities},
    author = {Roberto Basile and Maria Durban and Roman Minguez and
      Jose Maria Montero and Jesus Mur},
    journal = {Journal of Economic Dynamics and Control},
    year = {2014},
    volume = {48},
    pages = {229--245},
    doi = {10.1016/j.jedc.2014.06.011},
    url =
      {https://www.sciencedirect.com/science/article/abs/pii/S0165188914001493},
  }