To cite package ‘optistock’ in publications use:

Frater P (2023). optistock: Determine Optimum Stocking Times Used in Fishery Enhancements. R package version 0.0.2, https://CRAN.R-project.org/package=optistock.

Corresponding BibTeX entry:

  @Manual{,
    title = {optistock: Determine Optimum Stocking Times Used in
      Fishery Enhancements},
    author = {Paul Frater},
    year = {2023},
    note = {R package version 0.0.2},
    url = {https://CRAN.R-project.org/package=optistock},
  }