To cite package ‘GENEAcore’ in publications use:

  Langford J, Long I, Chua J (2026). _GENEAcore: Pre-Processing of
  'GENEActiv' Data_. R package version 1.2.0,
  <https://CRAN.R-project.org/package=GENEAcore>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {GENEAcore: Pre-Processing of 'GENEActiv' Data},
    author = {Joss Langford and Ian Long and Jia Ying Chua},
    year = {2026},
    note = {R package version 1.2.0},
    url = {https://CRAN.R-project.org/package=GENEAcore},
  }