To cite blm in publications use:

Stephanie Kovalchik, Ravi Varadhan (2013). Fitting Additive Binomial Regression Models with the R Package blm. Journal of Statistical Software, 54(1), 1-18. URL http://www.jstatsoft.org/v54/i01/.

Corresponding BibTeX entry:

  @Article{,
    title = {Fitting Additive Binomial Regression Models with the {R}
      Package {blm}},
    author = {Stephanie Kovalchik and Ravi Varadhan},
    journal = {Journal of Statistical Software},
    year = {2013},
    volume = {54},
    number = {1},
    pages = {1--18},
    url = {http://www.jstatsoft.org/v54/i01/},
  }