To cite package ‘markstat’ in publications use:

  Moradi M, Eckardt M (2025). _markstat: mark correlation functions for
  spatial point patterns_.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {markstat: mark correlation functions for spatial point patterns},
    author = {Mehdi Moradi and Matthias Eckardt},
    year = {2025},
  }