To cite adabag in publications use:

Alfaro E, Gámez M, García N (2013). “adabag: An R Package for Classification with Boosting and Bagging.” Journal of Statistical Software, 54(2), 1–35. doi:10.18637/jss.v054.i02.

Corresponding BibTeX entry:

  @Article{,
    title = {{adabag}: An {R} Package for Classification with Boosting
      and Bagging},
    author = {Esteban Alfaro and Matías Gámez and Noelia García},
    journal = {Journal of Statistical Software},
    year = {2013},
    volume = {54},
    number = {2},
    pages = {1--35},
    doi = {10.18637/jss.v054.i02},
  }