To cite kerdiest in publications use:

  Alejandro Quintela-del-Río, Graciela Estévez-Pérez (2012).
  Nonparametric kernel distribution function estimation with kerdiest:
  an R Package for bandwidth choice and applications. Journal of
  Statistical Software, 50(8), 1-21. URL
  https://www.jstatsoft.org/v50/i08/.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Nonparametric Kernel Distribution Function Estimation with {kerdiest}: An {R} Package for Bandwidth Choice and Applications},
    author = {Alejandro Quintela-del-Río and Graciela Estévez-Pérez},
    journal = {Journal of Statistical Software},
    year = {2012},
    volume = {50},
    number = {8},
    pages = {1--21},
    doi = {10.18637/jss.v050.i08},
  }