To cite package 'overdispsim' in publications use:

  Efford, M. G. and Fletcher, D. (2025). overdispsim: Simulations of
  Overdispersion in SECR. R package version 1.0.2.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {overdispsim: Simulations of Overdispersion in SECR},
    author = {Murray Efford and David Fletcher},
    year = {2025},
    note = {R package version 1.0.2},
  }