To cite package MAMS in publications use:

Magirr D, Jaki T, Whitehead J (2012) A generalized Dunnett Test for Multiarm-Multistage Clinical Studies with Treatment Selection. Biometrika. 99(2):494-501.

Corresponding BibTeX entry:

  @Article{,
    title = {A generalized Dunnett test for multi-arm multi-stage
      clinical studies with treatment selection},
    author = {Dominic Magirr and Thomas Jaki and John Whitehead},
    year = {2012},
    journal = {Biometrika},
    volume = {99},
    number = {2},
    pages = {494-501},
    url = {http://CRAN.R-project.org/package=MAMS},
  }