To cite package ‘edf’ in publications use:

Henelius A (2016). edf: Read Data from European Data Format (EDF and EDF+) Files. R package version 1.0.0, https://github.com/bwrc/edf.

Corresponding BibTeX entry:

  @Manual{,
    title = {edf: Read Data from European Data Format (EDF and EDF+)
      Files},
    author = {Andreas Henelius},
    year = {2016},
    note = {R package version 1.0.0},
    url = {https://github.com/bwrc/edf},
  }