To cite excursions in publications use:

  David Bolin, Finn Lindgren (2018), Calculating Probabilistic
  Excursion Sets and Related Quantities Using excursions, Journal of
  Statistical Software, 86(5), 1--20.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Calculating Probabilistic Excursion Sets and Related Quantities Using {excursions}},
    author = {David Bolin and Finn Lindgren},
    journal = {Journal of Statistical Software},
    year = {2018},
    volume = {86},
    number = {5},
    pages = {1--20},
    doi = {10.18637/jss.v086.i05},
  }

  David Bolin, Finn Lindgren (2015), Excursion and contour uncertainty
  regions for latent Gaussian models, Journal of the Royal Statistical
  Sociecy, Series B, 77(1), 85-106.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Excursion and contour uncertainty regions for latent {Gaussian} models},
    author = {David Bolin and Finn Lindgren},
    journal = {Journal of the Royal Statistical Society, Series B (Statistical Methodology)},
    year = {2015},
    volume = {77},
    number = {1},
    pages = {85--106},
  }

  David Bolin and Finn Lindgren (2017), Quantifying the uncertainty of
  contour maps, Journal of Computational and Graphical Statistics,
  26:3, 513-524.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {David Bolin and Finn Lindgren},
    title = {Quantifying the uncertainty of contour maps},
    journal = {Journal of Computational and Graphical Statistics},
    year = {2017},
    volume = {26},
    number = {3},
    pages = {513--524},
  }