To cite package ‘grouper’ in publications use:

  Gopal V, Lam K, Zhang M (2026). _grouper: Optimal Assignment of
  Students to Groups_. R package version 0.6.2,
  <https://github.com/zimmy313/grouper>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {grouper: Optimal Assignment of Students to Groups},
    author = {Vik Gopal and Kevin Lam and Mingyuan Zhang},
    year = {2026},
    note = {R package version 0.6.2},
    url = {https://github.com/zimmy313/grouper},
  }