To cite mdscore in publications use:

da Silva-Júnior A, da Silva D, Ferrari S (2014). “mdscore: An R Package to Compute Improved Score Tests in Generalized Linear Models.” Journal of Statistical Software, 61(2), 1–16. http://www.jstatsoft.org/v61/c02/.

Corresponding BibTeX entry:

  @Article{,
    title = {{mdscore}: An {R} Package to Compute Improved Score Tests
      in Generalized Linear Models},
    author = {Antonio Hermes M. {da Silva-J{\'u}nior} and Dami{\~a}o
      N{\'o}brega {da Silva} and Silvia L. P. Ferrari},
    journal = {Journal of Statistical Software},
    year = {2014},
    volume = {61},
    number = {2},
    pages = {1--16},
    url = {http://www.jstatsoft.org/v61/c02/},
  }