To cite tourr in publications use:

Wickham H, Cook D, Hofmann H, Buja A (2011). “tourr: An R Package for Exploring Multivariate Data with Projections.” Journal of Statistical Software, 40(2), 1–18. https://doi.org/10.18637/jss.v040.i02.

When using the slice tour, please cite:

Laa U, Cook D, Valencia G (2020). “A slice tour for finding hollowness in high-dimensional data.” Journal of Computational and Graphical Statistics, 29(3), 681–687. https://doi.org/10.1080/10618600.2020.1777140.

Corresponding BibTeX entries:

  @Article{,
    title = {{tourr}: An {R} Package for Exploring Multivariate Data
      with Projections},
    author = {Hadley Wickham and Dianne Cook and Heike Hofmann and
      Andreas Buja},
    journal = {Journal of Statistical Software},
    year = {2011},
    volume = {40},
    number = {2},
    pages = {1--18},
    url = {https://doi.org/10.18637/jss.v040.i02},
  }

  @Article{,
    title = {A slice tour for finding hollowness in high-dimensional
      data},
    author = {Ursula Laa and Dianne Cook and German Valencia},
    journal = {Journal of Computational and Graphical Statistics},
    year = {2020},
    volume = {29},
    number = {3},
    pages = {681--687},
    url = {https://doi.org/10.1080/10618600.2020.1777140},
  }