To cite R/mpMap in publications use:

Huang and George (2011) R/mpMap: a computational platform for the genetic analysis of recombinant inbred lines. Bioinformatics 27:727-729.

Corresponding BibTeX entry:

  @Article{,
    title = {R/mpMap: a computational platform for the genetic analysis
      of recombinant inbred lines},
    author = {B. Emma Huang and Andrew W. George},
    journal = {Bioinformatics},
    year = {2011},
    volume = {27},
    pages = {727-729},
  }