To cite qdap in publications, please use:

Rinker, T. W. (2013). qdap: Quantitative Discourse Analysis Package. version 1.3.5. University at Buffalo. Buffalo, New York. http://github.com/trinker/qdap

Corresponding BibTeX entry:

  @Manual{,
    title = {{qdap}: {Q}uantitative Discourse Analysis Package},
    author = {Tyler W. Rinker},
    organization = {University at Buffalo/SUNY},
    address = {Buffalo, New York},
    note = {version 1.3.5},
    year = {2013},
    url = {http://github.com/trinker/qdap},
  }