To cite globalOptTests in publications use:

Katharine M. Mullen (2014). Continuous Global Optimization in R. Journal of Statistical Software, 60(6), 1-45. URL http://www.jstatsoft.org/v60/i06/.

Corresponding BibTeX entry:

  @Article{,
    title = {Continuous Global Optimization in {R}},
    author = {Katharine M. Mullen},
    journal = {Journal of Statistical Software},
    year = {2014},
    volume = {60},
    number = {6},
    pages = {1--45},
    url = {http://www.jstatsoft.org/v60/i06/},
  }