To cite the permutations package in publications use:
Robin K. S. Hankin (2020). “Introducing the permutations package.” SoftwareX. https://doi.org/10.1016/j.softx.2020.100453.
Corresponding BibTeX entry:
@Article{, title = {{Introducing the permutations package}}, author = {{Robin K. S. Hankin}}, journal = {SoftwareX}, year = {2020}, url = {https://doi.org/10.1016/j.softx.2020.100453}, }