To cite package ‘derivmkts’ in publications use:

  McDonald R (2024). _derivmkts: Functions and R Code to Accompany
  Derivatives Markets_. R package version 0.2.5,
  <https://github.com/rmcd1024/derivmkts>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {derivmkts: Functions and R Code to Accompany Derivatives Markets},
    author = {Robert McDonald},
    year = {2024},
    note = {R package version 0.2.5},
    url = {https://github.com/rmcd1024/derivmkts},
  }