To cite MChtest in publications use:

Fay, M.P., Kim, H-J., and Hachey, M. (2007). On Using Truncated Sequential Probability Ratio Test Boundaries for Monte Carolo Implentation of Hypothesis Tests Journal of Computational and Graphical Statistics 16(4): 946-967.

Corresponding BibTeX entry:

  @Article{,
    title = {On Using Truncated Sequential Probability Ratio Test
      Boundaries for Monte Carolo Implentation of Hypothesis Tests},
    author = {Michael P. Fay and Hyun-Ju Kim and Mark Hachey},
    journal = {Journal of Computational and Graphical Statistics},
    year = {2007},
    volume = {16},
    number = {4},
    pages = {946--967},
  }