To cite XiMpLe in publications use:

Michalke, M. (2015). XiMpLe: A Simple XML Tree Parser and Generator (Version 0.03-23). Available from http://reaktanz.de/?c=hacking&s=XiMpLe

Corresponding BibTeX entry:

  @Manual{,
    title = {XiMpLe: A Simple XML Tree Parser and Generator},
    author = {Meik Michalke},
    year = {2015},
    note = {(Version 0.03-23)},
    url = {http://reaktanz.de/?c=hacking&s=XiMpLe},
  }