To cite crch in publications use:

Messner JW, Mayr GJ, Zeileis A (2016). “Heteroscedastic Censored and Truncated Regression with crch.” The R Journal, 8(1), 173–181. https://journal.r-project.org/archive/2016-1/messner-mayr-zeileis.pdf.

If you use crch.boost() please also cite:

Messner JW, Mayr GJ, Zeileis A (2017). “Non-Homogeneous Boosting for Predictor Selection in Ensemble Post-Processing.” Monthly Weather Review, 145(1), 137–147. doi:10.1175/MWR-D-16-0088.1.

If you use crch() please also cite:

Messner JW, Zeileis A, Broecker J, Mayr GJ (2014). “Probabilistic Wind Power Forecasts with an Inverse Power Curve Transformation and Censored Regression.” Wind Energy, 17(11), 1753–1766. doi:10.1002/we.1666.

If you use hxlr() please cite:

Messner JW, Mayr GJ, Zeileis A, Wilks DS (2014). “Heteroscedastic Extended Logistic Regression for Postprocessing of Ensemble Guidance.” Monthly Weather Review, 142(1), 448–456. doi:10.1175/MWR-D-13-00271.1.

Corresponding BibTeX entries:

  @Article{,
    title = {Heteroscedastic Censored and Truncated Regression with
      {crch}},
    author = {Jakob W. Messner and Georg J. Mayr and Achim Zeileis},
    journal = {The R Journal},
    year = {2016},
    pages = {173--181},
    volume = {8},
    number = {1},
    url =
      {https://journal.r-project.org/archive/2016-1/messner-mayr-zeileis.pdf},
  }

  @Article{,
    title = {Non-Homogeneous Boosting for Predictor Selection in
      Ensemble Post-Processing.},
    author = {Jakob W. Messner and Georg J. Mayr and Achim Zeileis},
    journal = {Monthly Weather Review},
    year = {2017},
    pages = {137--147},
    volume = {145},
    number = {1},
    doi = {10.1175/MWR-D-16-0088.1},
  }

  @Article{,
    title = {Probabilistic Wind Power Forecasts with an Inverse Power
      Curve Transformation and Censored Regression},
    author = {Jakob W. Messner and Achim Zeileis and Jochen Broecker
      and Georg J. Mayr},
    journal = {Wind Energy},
    year = {2014},
    volume = {17},
    number = {11},
    pages = {1753--1766},
    doi = {10.1002/we.1666},
  }

  @Article{,
    title = {Heteroscedastic Extended Logistic Regression for
      Postprocessing of Ensemble Guidance},
    author = {Jakob W. Messner and Georg J. Mayr and Achim Zeileis and
      Daniel S. Wilks},
    journal = {Monthly Weather Review},
    year = {2014},
    volume = {142},
    number = {1},
    pages = {448--456},
    doi = {10.1175/MWR-D-13-00271.1},
  }