To cite package ‘sspm’ in publications use:

  Lucet V, Pedersen E (2025). _sspm: Spatial Surplus Production Model
  Framework for Northern Shrimp Populations_. R package version 1.0.3,
  <https://CRAN.R-project.org/package=sspm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sspm: Spatial Surplus Production Model Framework for Northern Shrimp
Populations},
    author = {Valentin Lucet and Eric Pedersen},
    year = {2025},
    note = {R package version 1.0.3},
    url = {https://CRAN.R-project.org/package=sspm},
  }