To cite topoDistance in publications use:

Wang I.J. (2020) Topographic path analysis for modeling dispersal and functional connectivity: calculating topographic distances using the topoDistance R package. Methods in Ecology and Evolution, 11:265-272.

Corresponding BibTeX entry:

  @Article{,
    author = {Ian J. Wang},
    title = {Topographic path analysis for modeling dispersal and
      functional connectivity: calculating topographic distances using
      the topoDistance R package},
    year = {2020},
    journal = {Methods in Ecology and Evolution},
    volume = {11},
    pages = {265-272},
    doi = {10.1111/2041-210X.13317},
  }