To cite package 'PresenceAbsence' in publications use:

Freeman EA, Moisen G (2008). “PresenceAbsence: An R Package for Presence Absence Analysis.” Journal of Statistical Software, 23(11), 1–31. doi:10.18637/jss.v023.i11, elizabeth.a.freeman@usda.gov, https://www.jstatsoft.org/article/view/v023i11.

Corresponding BibTeX entry:

  @Article{,
    author = {Elizabeth A. Freeman and Gretchen Moisen},
    title = {{PresenceAbsence}: An R Package for Presence Absence
      Analysis},
    journal = {Journal of Statistical Software},
    volume = {23},
    number = {11},
    pages = {1--31},
    year = {2008},
    url = {https://www.jstatsoft.org/article/view/v023i11},
    doi = {10.18637/jss.v023.i11},
    note = {elizabeth.a.freeman@usda.gov},
  }