To cite package 'MTurkRGUI' in publications use:

Thomas J. Leeper (2015). MTurkRGUI: A Graphical User Interface for MTurkR. R package version 0.1.5.

Corresponding BibTeX entry:

  @Manual{,
    title = {MTurkRGUI: A Graphical User Interface for MTurkR},
    author = {Thomas J. Leeper},
    year = {2015},
    note = {R package version 0.1.5},
  }