To cite biwavelet in publications use:

Gouhier T, Grinsted A, Simko V (2024). R package biwavelet: Conduct Univariate and Bivariate Wavelet Analyses. (Version 0.20.22), https://github.com/tgouhier/biwavelet.

Corresponding BibTeX entry:

  @Manual{,
    title = {R package {biwavelet}: Conduct Univariate and Bivariate
      Wavelet Analyses},
    author = {Tarik Gouhier and Aslak Grinsted and Viliam Simko},
    year = {2024},
    note = {(Version 0.20.22)},
    url = {https://github.com/tgouhier/biwavelet},
  }