To cite package ‘haahka’ in publications use:

Lehtomaki J, Morris W (2026). haahka: Haahka bird migration browser. R package version 0.7.31.9000, https://github.com/luomus/haahka.

Corresponding BibTeX entry:

  @Manual{,
    title = {haahka: Haahka bird migration browser},
    author = {Joona Lehtomaki and William K. Morris},
    year = {2026},
    note = {R package version 0.7.31.9000},
    url = {https://github.com/luomus/haahka},
  }