To cite fitdistrplus in publications use:

Delignette-Muller ML, Dutang C (2015). “fitdistrplus: An R Package for Fitting Distributions.” Journal of Statistical Software, 64(4), 1–34. doi:10.18637/jss.v064.i04.

Please cite both the package and R when using them for data analysis. See also ā€˜citation()ā€™ for citing R.

Corresponding BibTeX entry:

    title = {{fitdistrplus}: An {R} Package for Fitting Distributions},
    author = {Marie Laure Delignette-Muller and Christophe Dutang},
    journal = {Journal of Statistical Software},
    year = {2015},
    volume = {64},
    number = {4},
    pages = {1--34},
    doi = {10.18637/jss.v064.i04},