To cite package ‘fasster’ in publications use:

  O'Hara-Wild M, Hyndman R (2026). _fasster: Fast Additive Switching of
  Seasonality, Trend, and Exogenous Regressors_. R package version
  0.2.0.9000, <https://github.com/tidyverts/fasster>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fasster: Fast Additive Switching of Seasonality, Trend, and Exogenous
Regressors},
    author = {Mitchell O'Hara-Wild and Rob Hyndman},
    year = {2026},
    note = {R package version 0.2.0.9000},
    url = {https://github.com/tidyverts/fasster},
  }