To cite palsr in publications, please cite the method paper:

  Kim, S., Liu, H., & Desmarais, B. A. (2023). Spatial modeling of
  dyadic geopolitical interactions between moving actors. Political
  Science Research and Methods, 11(3), 617-635. doi:10.1017/psrm.2022.6

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Spatial modeling of dyadic geopolitical interactions between moving actors},
    author = {Sangyeon Kim and Howard Liu and Bruce A. Desmarais},
    journal = {Political Science Research and Methods},
    year = {2023},
    volume = {11},
    number = {3},
    pages = {617--635},
    doi = {10.1017/psrm.2022.6},
  }