To cite adabag in publications use:

Esteban Alfaro, Matias Gamez, Noelia Garcia (2013). adabag: An R Package for Classification with Boosting and Bagging. Journal of Statistical Software, 54(2), 1-35. URL http://www.jstatsoft.org/v54/i02/.

Corresponding BibTeX entry:

  @Article{,
    title = {{adabag}: An {R} Package for Classification with Boosting
      and Bagging},
    author = {Esteban Alfaro and Mat\'ias G\'amez and Noelia Garc\'ia},
    journal = {Journal of Statistical Software},
    year = {2013},
    volume = {54},
    number = {2},
    pages = {1--35},
    url = {http://www.jstatsoft.org/v54/i02/},
  }