To cite QTLRel in publications use:

Cheng R, Abney M, Palmer AA, Skol AD (2011). “QTLRel: an R Package for Genome-wide Association Studies in which Relatedness is a Concern.” BMC Genetics, 12, 66.

Cheng R, Lim JE, Samocha KE, Sokoloff G, Abney M, Skol AD, Palmer AA (2001). “Genome-wide association studies and the problem of relatedness among advanced intercross lines and other highly recombinant populations.” Genetics, 185, 1033-1044.

Corresponding BibTeX entries:

  @Article{,
    title = {QTLRel: an R Package for Genome-wide Association Studies
      in which Relatedness is a Concern},
    author = {Riyan Cheng and Mark Abney and Abraham A. Palmer and
      Andrew D. Skol},
    journal = {BMC Genetics},
    year = {2011},
    volume = {12},
    pages = {66},
  }
  @Article{,
    title = {Genome-wide association studies and the problem of
      relatedness among advanced intercross lines and other highly
      recombinant populations},
    author = {Riyan Cheng and Jackie E. Lim and Kaitlin E. Samocha and
      Greta Sokoloff and Mark Abney and Andrew D. Skol and Abraham A.
      Palmer},
    journal = {Genetics},
    year = {2001},
    volume = {185},
    pages = {1033-1044},
  }