To cite the 'lshorth' package in publications use:

Sawitzki G (2012). lshorth: The Length of the Shorth. R package version 0.1-6, http://lshorth.r-forge.r-project.org/TheShorthPlot.pdf.

Sawitzki G (1994). “Diagnostic Plots for One-Dimensional Data.” In Dirschedl P and Ostermann R (eds.), Computational Statistics. Papers Collected on the Occasion of the 25th Conference on Statistical Computing at Schloss Reisensburg., pp. 237–258. Physica-Verlag, Heidelberg. http://statlab.uni-heidelberg.de/reports/by.series/report.08.pdf.

Einmahl J, Gantner M and Sawitzki G (2010). “The Shorth Plot.” Journal of Computational and Graphical Statistics, 19(1), pp. 62-73.

Corresponding BibTeX entries:

  @Manual{,
    author = {G. Sawitzki},
    note = {R package version 0.1-6},
    title = {lshorth: The Length of the Shorth},
    year = {2012},
    url = {http://lshorth.r-forge.r-project.org/TheShorthPlot.pdf},
    textversion = {G. Sawitzki. lshorth: The Length of the Shorth.
      Technical Note, 1994-2012},
  }

  @InCollection{,
    author = {G. Sawitzki},
    booktitle = {Computational Statistics. Papers Collected on the
      Occasion of the 25th Conference on Statistical Computing at
      Schloss Reisensburg.},
    editor = {P. Dirschedl and R. Ostermann},
    pages = {237--258},
    publisher = {Physica-Verlag, Heidelberg},
    title = {Diagnostic Plots for One-Dimensional Data},
    url =
      {http://statlab.uni-heidelberg.de/reports/by.series/report.08.pdf},
    year = {1994},
    textversion = {G. Sawitzki. Diagnostic Plots for One-Dimensional
      Data. In: P. Dirschedl and R. Ostermann (eds.) Computational
      Statistics. Physica: Heidelberg 1994.},
  }

  @Article{,
    author = {John Einmahl and Maria Gantner and G"{u}nther Sawitzki},
    journal = {Journal of Computational and Graphical Statistics},
    month = {March},
    number = {1},
    title = {The Shorth Plot},
    pages = {62-73},
    volume = {19},
    year = {2010},
    textversion = {J. Einmahl, M. Gantner and G. Sawitzki. The Shorth
      Plot. Journal of Computational and Graphical Statistics 19
      (2010), 62-73.},
  }