To cite hapassoc in publications use:

Burkett K, McNeney B, Graham J (2004). “A note on inference of trait associations with SNP haplotypes and other attributes in generalized linear models.” Hum Hered, 57, 200–206. https://sfustatgen.github.io/research/hapassoc.html.

Burkett K, Graham J, McNeney B (2006). “hapassoc: Software for Likelihood Inference of Trait Associations with SNP Haplotypes and Other Attributes.” J Stat Soft, 16(2), 1–19. https://sfustatgen.github.io/research/hapassoc.html.

Corresponding BibTeX entries:

  @Article{,
    title = {A note on inference of trait associations with SNP
      haplotypes and other attributes in generalized linear models.},
    author = {K. Burkett and B. McNeney and J. Graham},
    journal = {Hum Hered},
    volume = {57},
    year = {2004},
    pages = {200--206},
    url = {https://sfustatgen.github.io/research/hapassoc.html},
  }
  @Article{,
    title = {hapassoc: Software for Likelihood Inference of Trait
      Associations with SNP Haplotypes and Other Attributes.},
    author = {K. Burkett and J. Graham and B. McNeney},
    journal = {J Stat Soft},
    volume = {16},
    number = {2},
    year = {2006},
    pages = {1--19},
    url = {https://sfustatgen.github.io/research/hapassoc.html},
  }